How do I know if my flywheel key is sheared?
SYMPTOMS. The symptoms of a sheared flywheel key range widely from a barely noticeable misfire to a no-start condition. In between these extremes the engine may misfire noticeably, run rough, backfire, be difficult to restart hot, or lack power. Advanced timing can cause engine overheating.
Why does my flywheel key keep breaking?
if key is too large or inserted improperly, the key will keep the flywheel from fully seating on the crankshaft, even though the retaining nut is quite tight. other causes are burrs on either of the matching surfaces or wear. if the crankshaft is too small or worn or the flywheel hole is too large.
What does Woodruff key do?
A woodruff key is a half‑moon shaped machine key that prevents gears, hubs, or other components from moving independently of a rotating shaft or spindle.
Does a four wheeler have a flywheel?
An ATV’s flywheel is the most important part of its electrical system along with the ATV’s stator. While the stator is stationary, the ATV’s flywheel is attached to the crankshaft and spins around the stator in unison with the engine’s RPM speed. The ATV’s flywheel also communicates with the pick-up coil.
How do I keep my flywheel from moving?
Use a bar of some sort and position it on the teeth of the flywheel and the frame. Or, hit your rachet with a hammer fast and hard. It’s kinda like a poor man’s impact gun but it works. You use the flywheels own weight as inertia to keep it from spinning.
Where is 52 tooth idler gear on Raptor 660?
Pull the 52 tooth (large gear behind the flywheel) idler gear off the shaft. If you have a 2001, remove the needle bearing and set aside. You will not reuse this bearing if you purchased a kit. The gear we sent to you is ready to go with a pressed in brass bushing. Check the bearing surface for wear and pitting and replace if worn.
How do you replace clutch on Raptor 660?
Cover the hole (case side) that is open to the transmission to stop debris from entering. Clean both surface carefully and wipe clean with rubbing alcohol. Also clean the shaft surface and make sure all debris is removed. If you removed the wiring harness gasket, put sealant on one side and replace.
What should the nut be on a Raptor 660?
Grab your strap wrench and place it on the flywheel and tighten the nut to 110 ft/lbs or 150 N/m. Once again, you may need a helper to hold the rear brake and the bike may need to be in gear. Make sure everything is well lubricated.
How do you remove a Woodruff pulley key?
Remove the Woodruff key. On the freed pulley, locate the semicircular shape in the shaft. This is the key and it can be removed by gripping the sides with pliers or wedging one end with a screwdriver. The key may be stuck.