400 scrammy Knocking sound
#21
Quad Patrol
Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
#22
400 scrammy Knocking sound
Yeah ur prolly right...i will do that....so lookin around i saw some info on the net that the airboxes on these will make noise when lose or touching the motor/trany? is it a knocking sound? or a rattle? well i checked the plug......looked dark and wet from fuel where i motored it with the plug wire off. not lean or it would look whitend and burned looking right? But the knocking is at idle and im affraid to ride it and blow my fresh topend up....thats why I guess i need to get that clutch off!!!!!! oh and also heard that sometimes the counterbalnce will lose the keys or teeth off of them sometimes...true? Thanx so much ftwflh
#23
400 scrammy Knocking sound
look into your counter balancer area for possible noises as well.
Crank is probably worn on the pto side but the suface of the crank where the bearings sit not the bearings themselves.
but replace them anyway.
don't run a motot till it blows up fix first it will always be cheaper to fix first.
wiseco forged pistons are very strong and in this application with the intake windows they have. a cast piston is not strong enough (wsm is cast).
But in some applications a cast piston will wear better over time as they have a much higher content of slicon in the aluminum than a wiseco piston. the slicon acts as a friction modifier.
Crank is probably worn on the pto side but the suface of the crank where the bearings sit not the bearings themselves.
but replace them anyway.
don't run a motot till it blows up fix first it will always be cheaper to fix first.
wiseco forged pistons are very strong and in this application with the intake windows they have. a cast piston is not strong enough (wsm is cast).
But in some applications a cast piston will wear better over time as they have a much higher content of slicon in the aluminum than a wiseco piston. the slicon acts as a friction modifier.
#24
Quad Patrol
Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
Don't let the hp numbers fool you. Its all in how you get it to the ground. Clutching clutching clutching!
#25
400 scrammy Knocking sound
things to check.
air box vibrating on tranny, or carb bowl vibrating.
pipe posible vibrating on recoil.
recoil vibrating, check the bolts or push in on it see if it stops.
clutch.
CB
last would be crank larger rod end bearing, however normally when these makes noise you don;t have long.
air box vibrating on tranny, or carb bowl vibrating.
pipe posible vibrating on recoil.
recoil vibrating, check the bolts or push in on it see if it stops.
clutch.
CB
last would be crank larger rod end bearing, however normally when these makes noise you don;t have long.
#26
400 scrammy Knocking sound
yeah thats sounds like a good plan of atack...one piece at a time. I hope to get out to the garage today and check some stuff out...i have to go pee in a cup for a possible new employer today...Keystone Helicopters...im crossing my fingers i get this one...that means more toys!!!!!!!!!!!!!!! and a highly moded scrammy...yeah!!!! lol...but thanx everyone.....for the help and input...i'll keep ya posted on my findings again....thanx again!!!!!!!!!!
Thread
Thread Starter
Forum
Replies
Last Post
exmotocrosser
Polaris
10
09-13-2019 06:12 AM
mrtidy
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
9
02-03-2016 05:00 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)