Slows down too fast
Posted 24 March 2017 - 05:53 PM
Posted 24 March 2017 - 07:03 PM
To the OP, are you talking on hard pack trails? Sleds don't really coast that well to begin with.
Posted 24 March 2017 - 11:25 PM
Edited by mbret2004, 24 March 2017 - 11:27 PM.
Posted 26 March 2017 - 12:32 PM
Posted 26 March 2017 - 12:33 PM
Posted 27 March 2017 - 04:21 PM
That said. If you are still convinced something is wrong you should be checking for excessive drag in the driveline caused by bad bearings in the skid typically.
Posted 28 March 2017 - 01:13 AM
Posted 31 March 2017 - 07:11 AM
You can control the strength of the engine braking by....
engine idle speed. If need lower engine braking strength, then turn the idle speed up. If the engine idles at 1200 right now, then turn it up to 1500~1600. Maximum engine braking strength is based on engine vacuum. if the throttle plates are opened more to allow the engine to rev higher at idle, then the engine will have less vacuum to energize braking strength and declutch at a higher track speed.
belt deflection - less tight belt deflection will cause the system to declutch at a higher mph. Turn the belt deflection adjuster on the outside of the secondary clutch to a lower number. You can turn it to a lower 1/2 number. The settings do not need to be exactly on a whole number. Example - if the belt deflection cam is at position #4, then loosen off the 3 fasteners and turn the cam ring to 3-1/2 and tighten fasteners again.
ramp angle - primary clutch. Simply remove the stock 415 ramps and install a set of more aggressive 413 ramps. The 413 ramps are the next harder pushing (more aggressive) ramp with an angle on the start that will provide less engine braking strength - and declutch at a higher track speed.
Posted 13 April 2017 - 01:42 PM
Posted 13 April 2017 - 03:12 PM
Check the rollers in the secondary clutch. My sled was doing that and the cause was the rollers were completely gone.
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