RM125 jolt and clunck when shifting Neutral to 1st

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1/26/2019 6:28 AM

Just got and rm 125 2007 and all seems in good nick apart from when the bike is running in neutral and I shift from neutral to 1st clutch all the way in the bike jolts forward abit and there is a bigger than normal click sound and it doesn’t sound like it’s doing the bike any good? Anyone have any ideas on what it could be?


1/26/2019 7:25 AM
Edited Date/Time: 1/26/2019 7:26 AM

The wrong transmission oil can cause this so can worn clutch basket or hub. Your clutch lever might also be adjusted wrong.


1/26/2019 8:54 AM

I have only just changed the oil so that shouldn’t be the issue, could it be that the clutch lever is not disengaging the clutch fully?


1/26/2019 9:54 AM

Worn clutch basket will cause this.

Paw Paw


1/27/2019 9:34 AM

If the clutch basket has rubber bushing in it and they are old and stiffened that could do it.


The older I get, the faster I was.

1/27/2019 2:31 PM

a tiskit, a tasket

I bet it's the clutch basket.


1/30/2019 5:17 PM

x3 on the basket. I'd bet you have notches in the fingers that are keeping the plates from fully separating when you pull in the lever.


Braaapin' aint easy.