Forum - Briggs & Stratton Racing
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jc60752

Registered: 03/03
Posts: 5
Reply with quote  #1 
I had my clutch bolt fall off while on the track and I don't recall the size of the bolt.  Anyone know what the LO206 crank is threaded for?


jc60752

Registered: 03/03
Posts: 5
Reply with quote  #2 
5/16 - 24 thread FN w/ lock washer and 5/16 X large o/d fender washer.
FasterMotorsFasterMotors

Registered: 06/15/11
Posts: 47
Reply with quote  #3 
Yes 5/16 X 24 X 3/4" is what i use with a 1/8 thick X 1"OD fender washer. I use a flange bolt. It has the washer built right into the head of the bolt.
Make sure you put a washer on the crankshaft before you put the clutch on and that the clutch hub extends past the outboard end of the crank.
You must have the clutch pinched tight against the inboard shoulder of the crank next to the crank seal.
Do not allow the clutch hub to have any lateral movement on the crankshaft or key way damage will result.
The clutch drum should have some play in it.

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Jimbo
http://www.fastermotors.net
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Freddie

Registered: 01/21
Posts: 3
Reply with quote  #4 

Might be a dumb question but how do you tighten the clutch bolt. How do you lock the shaft from turning as you tighten the bolt.

Please let me know.

Thanks

FasterMotorsFasterMotors

Registered: 06/15/11
Posts: 47
Reply with quote  #5 
Either use an electric impact or as you tighten the clutch bolt pull on the recoil starter.
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