Clutch Arm Problems

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hbschwinn

New Member
Oct 22, 2013
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Huntington Beach, CA
This is going to be a little hard to explain..but here we go

1) the clutch was working fantastic up untill the ball bearing fell out (DIA 8 Steel Ball) i placed it back into the shaft and figured everthing would be just fine (yes i did lube it with bearing grese)

2) the Cam pin has a divot on it (pictured below)

http://i.imgur.com/6SrRX1i.jpg

3) the bucking bar has a worn out spot on it as well (pictured as well)

http://i.imgur.com/FsPjXfe.jpg

4) when the whole thing is assembled the clutch arm goes from 4pm to 2pm and gets stuck. any ideas what could be the solution to this problem??

http://i.imgur.com/T60zEEq.jpg http://i.imgur.com/rm98LWp.jpg
 
rogergendron1

rogergendron1

New Member
Sep 18, 2013
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woburn ma
i had this problem too.

that 8mm bal is junk, the metal is so soft i got 2 flat spots on my ball in a week and was un able to adjust my clutch properly.
the rod is soft and cheap also and too large a dia, it was rubbing the shaft walls and heating up and grooved in at bolth ends from the bearing and clutch arm.
- go to a hardware store and get a hardend 5/16 bearing and use that
you can also use a hardend 5/16 rod cut to size to replace the stock one
or just place the none worn end in against the bearing
using a 5/16 oiled brass rod will eliminate ALL wear problems but i could not find oil laden brass in 5/16 localy to make the rods from soo harden steel works well with proper oil and a slightly smaller size 5/16
here is a video i am using a 5/16 hardend bal bearing and a 5/16 rod of higher grade steel cut a hair longer than the stock one.

lube it up with 2 stroke oil and it will move freely !!!!



http://www.youtube.com/watch?v=V9xrbSxjihc


5/16 is a lil thinner thus preventing wear to the inside of the shaft diamiter !!! use heavy grease if you got it but 2 banger oil once a week will work just fine !

the way my shaft was boared 8mm, the 8mm rod and bearing was actually rubbing the shaft walls pretty hard and making friction and heat !!!! so going a lil smaller alowed room for greese oil or whatever and prevents wear on the shaft and rod setup
 
Last edited:
rogergendron1

rogergendron1

New Member
Sep 18, 2013
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woburn ma
pull you clutch arm out the case cover and check the fat spot on the actuator arm that pushes the rod in for exsesive wear... it coul have been rounded off

mine did this and how i fixed it was to refile it flat and use a longer 5/16 rod to make up for the distance filed of to make it flat again, a longer rod need a lil less pull to move it the same distance as a shorter rod
 
2door

2door

Moderator
Staff member
Sep 15, 2008
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Littleton, Colorado
rogergendron1 said:
pull you clutch arm out the case cover and check the fat spot on the actuator arm that pushes the rod in for exsesive wear... it coul have been rounded off

mine did this and how i fixed it was to refile it flat and use a longer 5/16 rod to make up for the distance filed of to make it flat again, a longer rod need a lil less pull to move it the same distance as a shorter rod
Click to expand...
Actually, rounding off that sharp edge then polishing it on a bench buffer will decrease the clutch lever pull force and wear. Also do the same to the ends of the bucking bar and use a good quality bearing grease when you reassemble things.

If you're concerned about the hardness of the bucking bar or if yours has worn due to lack of proper lubrication, you can make a new one using the shank of a 5/16" drill bit. Keep in mind that the bucking bar length is critical. Too long or too short will dramatically impact the clutch actuator operation.

Tom
 
crassius

crassius

Well-Known Member
Sep 30, 2012
4,032
158
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USA
length varies between factories - adjust flower nut until the clutch arm is pointing close to straight back, then start your clutch/cable adjustment from there
 
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