The bolt that goes inside the clutch?

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fugirocksolid

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Apr 10, 2011
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Australia, Goldcoast
Hello recently I lost the metal cylinder thing that goes inside the clutch. The cylinder that the actuator pushes of in order to open the clutch.

What is that called?

also where would I find a replacment.

CHeers
 
MotorBicycleRacing

MotorBicycleRacing

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Jul 28, 2010
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fugirocksolid said:
Hello recently I lost the metal cylinder thing that goes inside the clutch. The cylinder that the actuator pushes of in order to open the clutch.

What is that called?

also where would I find a replacment.

CHeers
Click to expand...
You are an Aussi, make one lol

It's just a metal bar....
5/16" OD
1 1/8" long out of a RAW motor I think

A hair over 1" long out of a old NantongJaiLi bushed motor
I'll measure some other brands tomorrow.
 
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fugirocksolid

New Member
Apr 10, 2011
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Australia, Goldcoast
BiMoPed said:
You are an Aussi, make one lol

It's just a metal bar....
5/16" OD
1 1/8" long out of a RAW motor I think

A hair over 1" long out of a old NantongJaiLi bushed motor
I'll measure some other brands tomorrow.
Click to expand...

Whoops sorry, already made one on the lathe and grinder before checking the thread again.

Works better than the stock one too. Much better clutch actuation.

Cheers anyway
 
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fugirocksolid

New Member
Apr 10, 2011
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Australia, Goldcoast
BiMoPed said:
How long did you make yours?
Why does yours work better than the stock one?
What did you change?
thanks
Click to expand...
I used some spare iron bar in the shop. About the same width as the original.

Cut it down to size, used the bench grinder to flatten the ends. Then with the lathe made a smooth taped edge so it operates smoothly inside the engine.

Then I polished it so it actuated effectively.

Its also about .5mm smaller, so it has more room to move.

When I pull the clutch its
-easier
-more effective
-opens the clutch more

cheers
 
fatdaddy

fatdaddy

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May 4, 2011
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San Jose, Ca.
There is also a good size ball bearing that goes in ahead of the rod to give something for the clutch to spin on besides just a metal bar. Any large ball bearing from a bike wheel will work. Just shorten the bar to adjust for bearing size.
Good Luck,
Big Red.
 
MotorBicycleRacing

MotorBicycleRacing

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Jul 28, 2010
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fatdaddy said:
There is also a good size ball bearing that goes in ahead of the rod to give something for the clutch to spin on besides just a metal bar. Any large ball bearing from a bike wheel will work. Just shorten the bar to adjust for bearing size.
Good Luck,
Big Red.
Click to expand...
Ball bearing should measure about 5/16" or 8 mm.
I do not think you would want to go bigger than that.
 
2door

2door

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Staff member
Sep 15, 2008
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Littleton, Colorado
fugirocksolid said:
I used some spare iron bar in the shop. About the same width as the original.

Cut it down to size, used the bench grinder to flatten the ends. Then with the lathe made a smooth taped edge so it operates smoothly inside the engine.

Then I polished it so it actuated effectively.

Its also about .5mm smaller, so it has more room to move.

When I pull the clutch its
-easier
-more effective
-opens the clutch more

cheers
Click to expand...
Smoothing and polishing the cam and bucking bar is a mod I've been telling people about for a long time. I smooth the cam and pin with a Dremel sanding disc then polish the contacting surfaces on a bench buffer. This will dramatically reduce the amount of pull on the handlebar clutch lever. I'm glad someone else has figured out this simple mod.
Of course, along with smoothing these parts a good bearing grease helps reduce the friction too.
Tom
 
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