Timing is vital for a few reasons. When the timing is out a lot, the mower won’t start. If the timing is out a little, your mower may run but run rough. A broken shear-key is, as you now know, the most likely cause of engine kickback. The repair procedure isn’t complex, but a few techniques need to be followed to nail this repair successfully.Tighten the bolt and try to start the engine. You may have a solenoid on the bottom of the carb with a wire hooked up, in lieu of a bolt. Use a thin wrench to remove that. Follow the same procedure. If you have a fuel pump between the tank and the carb, drain the carb bowl and crank the engine for a few seconds.Mar 7, 2019 · For more information: https://low.es/2ILHSJMModel number: CMXGMAM1125500Lowe's item number: 1125500 Make certain the mower’s discharge chute is directed AWAY from your house, garage, parked cars, etc. 2. Remove the fast attach deck wash nozzle from the mower deck and thread it onto the end of your garden hose. 3. Attach garden hose with the deck wash nozzle to the water port on your deck’s surface.This may take three or four tries... Just keep repeating until is stays running (then keep it running for at least 5 minutes!)Starting Fluid: https://amzn.to...Fix your CMXGMAM1125500 M140 Walk-Behind Mower (11A-B2AQ793)(2019) today! We offer OEM parts, detailed model diagrams, symptom-based repair help, and video tutorials to make repairs easy.Download or purchase Honda Engine owners' manuals for the GCV160.Craftsman CMXGRAM1130043 Turn Tight 18-HP Riding Lawn Mower. Craftsman CMXGRAM1130037 T110 17.5-HP Manual/Gear 42-in Riding Lawn Mower. Craftsman CMXGGAS030734 - 7000-Watt Gasoline Portable Generator. Craftsman CMXEVBE17590 9 Gallon 4.25 Peak HP Wet/Dry Vacuum Cleaners. Craftsman 17612 5.0 Peak HP Wet/Dry Vac, Portable Shop Vacuum.As a result Sears bought the rights to use the name "craftsman" for its products for $500. Early customers of Craftsman tools were farmers who preferred to build their homes, barns, furniture etc. with their own hands. That was a good area for Craftsman to start successfully in the years of difficult economic situation in the USA in the 1930s.This is part 2 of a 2 part series. A modern Craftsman mower with automatic choke won't start. Thanks to Boo (below) he explains that is the the wind vain t...Slide the blade adapter onto the engine crankshaft. Place the blade on the adapter such that the side of the blade marked “Grass Side” (or with part number) faces the ground when the mower is in the operating position. Make sure that the blade is aligned and seated on the blade adapter flanges. See Figure 15 inset. Lawn Mower Craftsman 917.28922 Operator's Manual. 21.0 hp 42" mower electric start automatic transmission (65 pages) Lawn Mower CRAFTSMAN 917.370722 Owner's Manual. 6.75 horsepower power-propelled 21" multi-cut rotary lawn mower (48 pages) Lawn Mower Craftsman 272 Owner's Manual. 18.0 hp electric start 42" mower 6 speed transaxle (61 pages ...Slide the blade adapter onto the engine crankshaft. Place the blade on the adapter such that the side of the blade marked “Grass Side” (or with part number) faces the ground when the mower is in the operating position. Make sure that the blade is aligned and seated on the blade adapter flanges. See Figure 15 inset.Apr 10, 2022 · Messages. 40. Apr 10, 2022 / Honda motor on Craftsman Mower. #1. I have a Craftsman M140 mower with a Honda GCV 160cc engine. The mower is difficult to start - usually takes 4 pulls. I have cleaned out the carburetor, gaped the plug to .30 and the gap between the flywheel and the coil looks right,- but the first start of the day is always ... This may take three or four tries... Just keep repeating until is stays running (then keep it running for at least 5 minutes!)Starting Fluid: https://amzn.to...There's only a few things it can be. The battery, starter, solenoid, starter solenoid, or your grounds. Solenoid almost always get stuck open, so it would be constantly turning over. I'd check the ground on the solenoid and the starter, then I'd try to bypass the ignition module by hotwiring it. Good luck. m0bscene- • 2 yr. agoPDF User Manual for Craftsman M140 160cc Owner's Manual. Craftsman CMXGMAM1125500 - M140 160-cc 21-in Gas Push Lawn Mower. Tags related: Craftsman M100 140cc Lawn Mower Manual, Craftsman 140cc Lawn Mower Manual, Craftsman T110 Owner's Manual Pdf, Craftsman M140 Manual, Craftsman M110 Manual, Craftsman M100 Manual, Craftsman M110 Lawn Mower Manual.1-Craftsman M140 160cc Mower for sale" $300.00. Local Pickup. SPONSORED. ... Craftsman M250 FWD Lawnmower with Honda 160cc Engine EZ Start Runs Great. $100.00.Fix your CMXGMAM1125500 M140 Walk-Behind Mower (11A-B2AQ793)(2019) today! We offer OEM parts, detailed model diagrams, symptom-based repair help, and video tutorials to make repairs easy.CRAFTSMAN. 30-in Deck Multipurpose Mower Blade for Riding Mower/Tractors. Model # CMXGZAM110135. 5. • Fits Craftsman 30-in riding lawn tractors with a 6 point star center hole blade. • 3-In-1 blade designed for mulching, bagging, and side discharge. • Replaces part #942-04385, 742-04385, and 7133459. As a result Sears bought the rights to use the name "craftsman" for its products for $500. Early customers of Craftsman tools were farmers who preferred to build their homes, barns, furniture etc. with their own hands. That was a good area for Craftsman to start successfully in the years of difficult economic situation in the USA in the 1930s.Sep 4, 2018 · This is part 2 of a 2 part series. A modern Craftsman mower with automatic choke won't start. Thanks to Boo (below) he explains that is the the wind vain t... Shop CRAFTSMAN M210 140-cc 21-in Gas Self-propelled Lawn Mower with Briggs and Stratton Engineundefined at Lowe's.com. The CRAFTSMAN® M210 21-in. self-propelled mower is ideal for smaller yards. It has a 140cc Briggs & Stratton® engine with easy and reliable startingCraftsman CMXGRAM1130043 Turn Tight 18-HP Riding Lawn Mower. Craftsman CMXGRAM1130037 T110 17.5-HP Manual/Gear 42-in Riding Lawn Mower. Craftsman CMXGGAS030734 - 7000-Watt Gasoline Portable Generator. Craftsman CMXEVBE17590 9 Gallon 4.25 Peak HP Wet/Dry Vacuum Cleaners. Craftsman 17612 5.0 Peak HP Wet/Dry Vac, Portable Shop Vacuum.M215 21-in Front Wheel Drive Self-Propelled Lawn Mower with 159cc CRAFTSMAN, Check, Don't Change™ Oil System Engine CMXGMAM823760 M130 21-in Gas Push Mower with 159cc with Check, Don't Change™ Oil System EngineDec 11, 2018 · • If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. • Shut the engine off and wait until the blade comes to a complete stop before removing the grass Bagger or unclogging the chute. The cutting blade First, let’s check for a blade obstruction. Disconnect the spark plug wire, put on some work gloves and tip the mower on its side with the air filter up. If you see a branch or other item under the mower deck that’s preventing the blade from spinning, remove it. Reconnect the spark plug, and you should now be able to start the mower.Our Craftsman M140 push mower has been sitting for a while. WILL IT START when we pull the cord? Watch this push mower in action with and without the bag att...Slide the blade adapter onto the engine crankshaft. Place the blade on the adapter such that the side of the blade marked “Grass Side” (or with part number) faces the ground when the mower is in the operating position. Make sure that the blade is aligned and seated on the blade adapter flanges. See Figure 15 inset. Carburetor cleaning starts at 02:40.Pull Cord Repair Video: https://www.youtube.com/watch?v=x1YptfZGrvgThis mower had me going in circles. I finally got it fixed. There are 2 parts.Here are the step-by-step procedures: 🏁 Start the engine until it gets warmed up and wait for a few minutes to make the oil circulate properly inside the engine. 🏁 Drive the riding mower on level ground and turn off the engine. Make sure the parking brake is on. 🏁 Open the mower’s hood, raise it up and secure it.Reasons Why Your Craftsman Mower Won’t Start 1. No Gas in Your Fuel Tank 2. Bad or Old Gas 3. Fuel Cap 4. Bad Spark Plug or Loose Spark Plug Wire 5. Clogged Air Filter 6. Bad Fuel Pump 7. Plugged Fuel Filter 8. Blockage in the Fuel Line 9. Clogged & Dirty Carburetor 10. Bad Battery, Loose Cables or Corroded Terminals 11. Bad Safety Switch For two years from date of purchase, when this Craftsman Lawn Mower is maintained, lubricated,and tuned up according to the operating and maintenance instructionsin the owner's manual, Sears will repair free of charge any defect in malarial or workman-ship. If this Craftsman Lawn Mower is used for commercial or rental puq_oses,this warrantyJun 13, 2023 · Find many great new & used options and get the best deals for Recoil Starter Assy. For Craftsman CMXGMAM1125500 M140 160cc Lawn Mower at the best online prices at eBay! Free shipping for many products! 03 Find Solutions Craftsman Lawn mower won't start 01 - Craftsman Lawn Mower Spark Plug Inspect the spark plug for signs of wear or damage. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. May 31, 2020 · This may take three or four tries... Just keep repeating until is stays running (then keep it running for at least 5 minutes!)Starting Fluid: https://amzn.to... Mar 7, 2019 · For more information: https://low.es/2ILHSJMModel number: CMXGMAM1125500Lowe's item number: 1125500 Find parts and product manuals for your Craftsman M140 21" Push Lawn Mower CMXGMAM1125500. Free shipping on parts orders over $45. ... Manual: GDE:FAST START:SBD_11X ...Dec 11, 2018 · • If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. • Shut the engine off and wait until the blade comes to a complete stop before removing the grass Bagger or unclogging the chute. The cutting blade To do this, remove the outflow fuel line from the fuel pump and turn over the engine. There should be an unimpeded flow of fuel that flows with consistency. If the flow is random or slow, you could have found the cause of why your lawn mower sputters but runs. Just be sure to have a container to catch the gas.Aug 19, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... Apr 26, 2020 · Yet another mower saved with a Chinese carburetor. Make sure to check the bowl bolt as shown if using a new China made carb. This mower sold in 1 day with ab... Maintenance Kit For Craftsman M140 CMXGMAM1125500 Lawn Mower. Craftsman M140 CMXGMAM1125500 Lawn Mower Shown In Pictures. Includes Oil , Air Filter & Spark Plug. NOTE: Check the appearance, size, shape of this item in our picture and. compare with your original one before buying. Generally, we will send.For two years from date of purchase, when this Craftsman Lawn Mower is maintained, lubricated,and tuned up according to the operating and maintenance instructionsin the owner's manual, Sears will repair free of charge any defect in malarial or workman-ship. If this Craftsman Lawn Mower is used for commercial or rental puq_oses,this warranty03 Find Solutions Craftsman Lawn mower won't start 01 - Craftsman Lawn Mower Spark Plug Inspect the spark plug for signs of wear or damage. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug.01 - Craftsman Lawn Mower Carburetor. The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and cause the ...Jun 16, 2023 · Start the pumping/siphoning process and transfer the fuel. Just watch out that you don’t break the siphon since it’s hard to restart the process with just a little fuel left in the tank. Refill Tank & Test. After you have removed the bad fuel, refill the tank with fresh fuel. Give the mower a test to see if the surging has stopped. Jun 4, 2023 · The most common problems in a Craftsman lawn mower are: Craftsman fails to start. Loss of power or the mower dies while mowing. Craftsman begins smoking. Craftsman has a weak hydrostatic transmission. Craftsman won’t drive straight or steer correctly. Craftsman won’t move. Craftsman is vibrating. Craftsman is providing a bad or uneven cut. Perfect your lawn with Craftsman 140cc 21" 3-In-1 push lawn mower. Powered by a 140cc engine with a recoil start & auto choke, this push lawn mower is equipped with both side & rear discharge & mulching capabilities. It comes with a 21" Cutting deck that allows you to mow wider areas of grass with fewer passes- perfect for small- or medium ... 67 parts. Shop parts. Craftsman 13197805 self propelled rotary lawn mower. 53 parts. Shop parts. Craftsman 131973331 22 power propelled solid state ignition lawn mower. 95 parts. Shop parts. Craftsman 917384020 lawn mower.Shop CRAFTSMAN M210 140-cc 21-in Gas Self-propelled Lawn Mower with Briggs and Stratton Engineundefined at Lowe's.com. The CRAFTSMAN® M210 21-in. self-propelled mower is ideal for smaller yards. It has a 140cc Briggs & Stratton® engine with easy and reliable startingCRAFTSMAN. 42-in Deck Bagging Mower Blade for Riding Mower/Tractors (2-Pack) Model # CMXGZAM110108. 61. • For Craftsman Lawn Tractors and Zero-Turn Riding Mowers with a 42-in deck. • Replaces part # 942-04308 and 742-04308, 942-04312 and 742-04312. • 6 point star center hole.Get a yard you can be proud of with reliable CRAFTSMAN® lawn mowers. Shop All. 60V MAX* Cordless 21-In. 3-In-1 Self-Propelled Lawn Mower Kit (7.5Ah)Shop CRAFTSMAN M110 140-cc 21-in Gas Push Lawn Mower with Briggs and Stratton Engineundefined at Lowe's.com. This CRAFTSMAN® M110 21-in push mower is ideal for smaller yards. It has a 140cc Briggs and Stratton® engine featuring one-step starting, no priming This may take three or four tries... Just keep repeating until is stays running (then keep it running for at least 5 minutes!)Starting Fluid: https://amzn.to...This is part 2 of a 2 part series. A modern Craftsman mower with automatic choke won't start. Thanks to Boo (below) he explains that is the the wind vain t...Shop CRAFTSMAN M110 140-cc 21-in Gas Push Lawn Mower with Briggs and Stratton Engineundefined at Lowe's.com. This CRAFTSMAN® M110 21-in push mower is ideal for smaller yards. It has a 140cc Briggs and Stratton® engine featuring one-step starting, no primingMay 17, 2012 / Craftsman Throttle and Governer Springs. #1. Hey Everyone, I bought a used Craftsman 115-082A352 lawn mower with the Brigs and Stratten 89802 motor. The PO had some ghetto springs on the throttle and governer linkage. I tried to make a new setup but it does not work. It either revs like crazy or stalls.Sep 13, 2021 · What kind of spark plug do I need for my Craftsman lawn mower? Replacement Plug The Craftsman 4.5hp mower uses either a Champion model RJ19LM or J19LM spark plug, or equivalent, with the gap set at . What size socket do I need for a spark plug? Most spark plugs require a 5/8" (16mm) size spark plug socket. This refers to the size of the flats ... Get a yard you can be proud of with reliable CRAFTSMAN® lawn mowers. Shop All. 60V MAX* Cordless 21-In. 3-In-1 Self-Propelled Lawn Mower Kit (7.5Ah)Messages. 3. Apr 17, 2012 / Engine Popping. #1. I have a 2 year old Craftsman mower with a 21 HP Briggs & Stratton Engine, it has been running fine but last week in the iddle of mowing it suddenly started popping. Engine will run but it just pop pop pop, can't choke it or it will go dead. Idling but popping, I have replaced all gas, inline gas ...CRAFTSMAN. 42-in Deck Bagging Mower Blade for Riding Mower/Tractors (2-Pack) Model # CMXGZAM110108. 61. • For Craftsman Lawn Tractors and Zero-Turn Riding Mowers with a 42-in deck. • Replaces part # 942-04308 and 742-04308, 942-04312 and 742-04312. • 6 point star center hole.Dec 13, 2018 · Opening Carton 1. Cut each corner of the carton vertically from top to bottom. 2. Remove all loose parts. 3. Remove loose packing material. Removing Unit From Carton 1. Liftunit from the rear to detach it from underlying carton material and roll unit out of carton. 2. Check carton thoroughly for any other loose parts. Loose Parts In Carton For two years from date of purchase, when this Craftsman Lawn Mower is maintained, lubricated,and tuned up according to the operating and maintenance instructionsin the owner's manual, Sears will repair free of charge any defect in malarial or workman-ship. If this Craftsman Lawn Mower is used for commercial or rental puq_oses,this warrantyThere's only a few things it can be. The battery, starter, solenoid, starter solenoid, or your grounds. Solenoid almost always get stuck open, so it would be constantly turning over. I'd check the ground on the solenoid and the starter, then I'd try to bypass the ignition module by hotwiring it. Good luck. m0bscene- • 2 yr. ago for pricing and availability. CRAFTSMAN. M230 163-cc 21-in Gas Self-propelled Lawn Mower with Briggs and Stratton Engine. Model # CMXGMAM1125502. 1315. • POWERFUL ENGINE: 163cc Briggs and Stratton® engine with one step starting, no priming needed. • SELF-PROPELLED VARIABLE SPEED: Front wheel drive allows you to mow at your own pace. Craftsman M140 form Lowes vs Toy-Bilt TB160 from Home Depot? Both of these mowers feature the same Honda 160 cc motor. The decks seem almost identical. The Craftsman has a clean out port to connect a hose, but the Troy-Bilt deck has an impression from manufacturing in the same spot without a clean out port. The handles on the two machines are a ... Messages. 3. Apr 17, 2012 / Engine Popping. #1. I have a 2 year old Craftsman mower with a 21 HP Briggs & Stratton Engine, it has been running fine but last week in the iddle of mowing it suddenly started popping. Engine will run but it just pop pop pop, can't choke it or it will go dead. Idling but popping, I have replaced all gas, inline gas ...Sep 4, 2018 · This is part 2 of a 2 part series. A modern Craftsman mower with automatic choke won't start. Thanks to Boo (below) he explains that is the the wind vain t... Tuneup Kit For Craftsman M140 CMXGMAM1125500 Lawn Mower. 26.79. -37%. 100% MONEY BACK GUARANTEE! Free Shipping. USPS Priority Mail Option. Gaskets Included With Most Carburetors! 30 Day Returns. Description. Sep 13, 2021 · What kind of spark plug do I need for my Craftsman lawn mower? Replacement Plug The Craftsman 4.5hp mower uses either a Champion model RJ19LM or J19LM spark plug, or equivalent, with the gap set at . What size socket do I need for a spark plug? Most spark plugs require a 5/8" (16mm) size spark plug socket. This refers to the size of the flats ... Jun 16, 2023 · Start the pumping/siphoning process and transfer the fuel. Just watch out that you don’t break the siphon since it’s hard to restart the process with just a little fuel left in the tank. Refill Tank & Test. After you have removed the bad fuel, refill the tank with fresh fuel. Give the mower a test to see if the surging has stopped. This mower had me going in circles. I finally got it fixed. There are 2 parts.Maintenance Kit For Craftsman M140 CMXGMAM1125500 Lawn Mower. Craftsman M140 CMXGMAM1125500 Lawn Mower Shown In Pictures. Includes Oil , Air Filter & Spark Plug. NOTE: Check the appearance, size, shape of this item in our picture and. compare with your original one before buying. Generally, we will send. Reasons Why Your Craftsman Mower Won’t Start 1. No Gas in Your Fuel Tank 2. Bad or Old Gas 3. Fuel Cap 4. Bad Spark Plug or Loose Spark Plug Wire 5. Clogged Air Filter 6. Bad Fuel Pump 7. Plugged Fuel Filter 8. Blockage in the Fuel Line 9. Clogged & Dirty Carburetor 10. Bad Battery, Loose Cables or Corroded Terminals 11. Bad Safety Switch Jan 20, 2023 · Carburetor cleaning starts at 02:40.Pull Cord Repair Video: https://www.youtube.com/watch?v=x1YptfZGrvg Watch me Start the Craftsman Lawnmower Model M140, for the first time after winterWe carry parts for these popular Craftsman models. Craftsman 390251983 parts in stock. Craftsman 390252283 parts in stock. Craftsman 390251183 parts in stock. Craftsman 247393760 parts in stock. Craftsman 24738908 parts in stock. Craftsman 247776150 parts in stock. Craftsman 247797890 parts in stock. Craftsman 316791960 parts in stock.Messages. 3. Apr 17, 2012 / Engine Popping. #1. I have a 2 year old Craftsman mower with a 21 HP Briggs & Stratton Engine, it has been running fine but last week in the iddle of mowing it suddenly started popping. Engine will run but it just pop pop pop, can't choke it or it will go dead. Idling but popping, I have replaced all gas, inline gas ...May 31, 2020 · This may take three or four tries... Just keep repeating until is stays running (then keep it running for at least 5 minutes!)Starting Fluid: https://amzn.to... Jun 16, 2023 · Solution: Use your fuel shut-off valve, located at the bottom of your fuel tank, to start and stop fuel flow. Don’t worry if you can find a fuel shut-off valve. Not every mower has one. If your Craftsman mower doesn’t include a fuel shut-off valve, use hose pinch pliers to crimp your fuel lines to stop the fuel from flowing. Start Right Here Find appliance parts, ... Shop by Popular Craftsman Lawn Mower Models. 247.289010 247.37109 247.377050 917.256321 917.25729 917.25947.
We carry parts for these popular Craftsman models. Craftsman 390251983 parts in stock. Craftsman 390252283 parts in stock. Craftsman 390251183 parts in stock. Craftsman 247393760 parts in stock. Craftsman 24738908 parts in stock. Craftsman 247776150 parts in stock. Craftsman 247797890 parts in stock. Craftsman 316791960 parts in stock. . D and w fine pack
Tuneup Kit For Craftsman M140 CMXGMAM1125500 Lawn Mower. 26.79. -37%. 100% MONEY BACK GUARANTEE! Free Shipping. USPS Priority Mail Option. Gaskets Included With Most Carburetors! 30 Day Returns. Description. Find parts and product manuals for your Craftsman M140 21" Push Lawn Mower CMXGMAM1125500. Free shipping on parts orders over $45. ... Manual: GDE:FAST START:SBD_11X ...Step 1. Pull the cover off the air cleaner mounted on the side of the mower engine. In most cases, the air cleaner cover attaches with a small retaining clip. In some cases, you must remove a screw to take off the cover. Video of the Day.The CRAFTSMAN M140 21-in. push mower is ideal for smaller yards. It's powered by a 160cc Honda engine with automatic choke to eliminate choking or priming for an easy start. The mulch kit helps put nutrients back in your soil for a healthier lawn while the Dust Blocker bag reduces in-air and dust debris and offers a 1.9 bushel bag capacity for ...Messages. 40. Apr 10, 2022 / Honda motor on Craftsman Mower. #1. I have a Craftsman M140 mower with a Honda GCV 160cc engine. The mower is difficult to start - usually takes 4 pulls. I have cleaned out the carburetor, gaped the plug to .30 and the gap between the flywheel and the coil looks right,- but the first start of the day is always ...For two years from date of purchase, when this Craftsman Lawn Mower is maintained, lubricated,and tuned up according to the operating and maintenance instructionsin the owner's manual, Sears will repair free of charge any defect in malarial or workman-ship. If this Craftsman Lawn Mower is used for commercial or rental puq_oses,this warranty Submit a request. -. -. Description. Please enter the details of your request. A member of our support staff will respond as soon as possible. Terms and Conditions. I certify that I have read the information provided by Stanley Black & Decker. I consent to the processing of personal data for direct marketing activities, for sending of ... Maintenance Kit For Craftsman M140 CMXGMAM1125500 Lawn Mower. Craftsman M140 CMXGMAM1125500 Lawn Mower Shown In Pictures. Includes Oil , Air Filter & Spark Plug. NOTE: Check the appearance, size, shape of this item in our picture and. compare with your original one before buying. Generally, we will send. Start Right Here Find appliance parts, ... Shop by Popular Craftsman Lawn Mower Models. 247.289010 247.37109 247.377050 917.256321 917.25729 917.25947.Messages. 40. Apr 10, 2022 / Honda motor on Craftsman Mower. #1. I have a Craftsman M140 mower with a Honda GCV 160cc engine. The mower is difficult to start - usually takes 4 pulls. I have cleaned out the carburetor, gaped the plug to .30 and the gap between the flywheel and the coil looks right,- but the first start of the day is always ...Timing is vital for a few reasons. When the timing is out a lot, the mower won’t start. If the timing is out a little, your mower may run but run rough. A broken shear-key is, as you now know, the most likely cause of engine kickback. The repair procedure isn’t complex, but a few techniques need to be followed to nail this repair successfully. Timing is vital for a few reasons. When the timing is out a lot, the mower won’t start. If the timing is out a little, your mower may run but run rough. A broken shear-key is, as you now know, the most likely cause of engine kickback. The repair procedure isn’t complex, but a few techniques need to be followed to nail this repair successfully..