Crankcase assembly

R100 · Post by **R100** » Fri Sep 04, 2015 3:45 pm

Is it necessary to have the starter clutch in the big seal on the crankshaft end when assembling the crankcase halves, or is just making the seal square to the cases, with the tab located, good enough?

LOUD MOUSE · Post by **LOUD MOUSE** » Fri Sep 04, 2015 4:34 pm

Just the seal. .............lm

R100 wrote:Is it necessary to have the starter clutch in the big seal on the crankshaft end when assembling the crankcase halves, or is just making the seal square to the cases, with the tab located, good enough?

R100 · Post by **R100** » Fri Sep 04, 2015 5:10 pm

Thanks LM.
I have done this on different engines and I usually leave the outside perimeter of the seals dry so they don't squirm out of place when bolting it up.
Would that be correct for a CB engine?

LOUD MOUSE · Post by **LOUD MOUSE** » Fri Sep 04, 2015 5:13 pm

I install them dry on the outer contact area and with oil/white grease on the inner contact area. ...................lm

R100 wrote:Thanks LM.
I have done this on different engines and I usually leave the outside perimeter of the seals dry so they don't squirm out of place when bolting it up.
Would that be correct for a CB engine?

R100 · Post by **R100** » Fri Sep 04, 2015 5:18 pm

LOUD MOUSE wrote:I install them dry on the outer contact area and with oil/white grease on the inner contact area. ...................lm
R100 wrote:Thanks LM.
I have done this on different engines and I usually leave the outside perimeter of the seals dry so they don't squirm out of place when bolting it up.
Would that be correct for a CB engine?

Excellent - great minds think alike.

R100 · Post by **R100** » Sun Sep 06, 2015 4:53 pm

The cam chain roller guide that bolts to the upper crankcase between the cylinders.
The spindle has a small notch on each side of the roller.
Is that to catch oil? Does it face up or down?

LOUD MOUSE · Post by **LOUD MOUSE** » Sun Sep 06, 2015 5:03 pm

Yes
Up. ................lm

R100 wrote:The cam chain roller guide that bolts to the upper crankcase between the cylinders.
The spindle has a small notch on each side of the roller.
Is that to catch oil? Does it face up or down?

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Crankcase assembly

Crankcase assembly

Re: Crankcase assembly