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General Category => Maintenance => Topic started by: aigram on May 19, 2021, 04:42:50 PM

Title: RPM fork brace fitment, and a clutch m/c question
Post by: aigram on May 19, 2021, 04:42:50 PM
Got a couple easy questions for the forum!
1) I installed a RPM forkbrace this year and have not been able to get the left side of it to clamp down with no visible gap, without hulking out/overtightening; The right side clamps down flush. I've included two pictures below. Is this a problem, or is the brace still doing it's job just fine?
2) Is there supposed to be a nut on the bolt that passes through the clutch lever? I've included a picture. Basically, should there be a nut where it looks like there should be one, in the red circle?
Title: Re: RPM fork brace fitment, and a clutch m/c question
Post by: aigram on May 19, 2021, 04:43:53 PM
My apologies on how horrific the first two pictures look! I have no idea why that happened. Hopefully people can still tell what I'm referring to.
Title: Re: RPM fork brace fitment, and a clutch m/c question
Post by: FJmonkey on May 19, 2021, 04:47:23 PM
The brace needs a small gap. Otherwise the two halves may bottom out and not clamp to the fork tube. Not sure about the nut on the MC.
Title: Re: RPM fork brace fitment, and a clutch m/c question
Post by: aigram on May 19, 2021, 05:11:20 PM
Quote from: FJmonkey on May 19, 2021, 04:47:23 PM
The brace needs a small gap. Otherwise the two halves may bottom out and not clamp to the fork tube. Not sure about the nut on the MC.

Understood about the gap. I'll try and rebalance the brace and see what I end up with.
I've looked at the Master Cylinder 2 diagram and part #10 is a nut that looks like it should go where that red circle is, but it's drawn on the diagram in a less than clear to me way. Almost seems like it's between the MC and the lever, which doesn't make sense to me. I'm almost certain that this was a victim of 32 years of vibration.
Title: Re: RPM fork brace fitment, and a clutch m/c question
Post by: Sparky84 on May 19, 2021, 05:28:33 PM
Quote from: aigram on May 19, 2021, 05:11:20 PM
Quote from: FJmonkey on May 19, 2021, 04:47:23 PM
The brace needs a small gap. Otherwise the two halves may bottom out and not clamp to the fork tube. Not sure about the nut on the MC.

Understood about the gap. I'll try and rebalance the brace and see what I end up with.
I've looked at the Master Cylinder 2 diagram and part #10 is a nut that looks like it should go where that red circle is, but it's drawn on the diagram in a less than clear to me way. Almost seems like it's between the MC and the lever, which doesn't make sense to me. I'm almost certain that this was a victim of 32 years of vibration.

Yep, nut required and it's a nyloc style, so it can be tight but not "clamping tight" if you get my meaning
Title: Re: RPM fork brace fitment, and a clutch m/c question
Post by: Millietant on May 19, 2021, 10:03:49 PM
Quote from: aigram on May 19, 2021, 04:42:50 PM
2) Is there supposed to be a nut on the bolt that passes through the clutch lever? I've included a picture. Basically, should there be a nut where it looks like there should be one, in the red circle?

Yes, there should be a nut where the red circle is. A stainless steel nylock nut and flat washer should do the trick and not vibrate loose again. Just don't overtighten it.  :good2: