Hi Paul ,remember that the 18 sprockets are different to the 21's , the mounting holes are a different size .I am sure that i have a 18 42 rear sprocket , can confirm on the weekend .
I don't think there is a 42 tooth rear sprocket for the MC21 or it is
just not very common. It is very easy to convert the MC18's 42 tooth
to fit the 21. I made it fit on my bike and it is working well. You just need
to make the holes for the sprocket carrier bigger. And then just need to
press those 5 little hexagon spacers that goes into the rubber mounts
into the new sprocket. The rest is easy.
Thanks yeah I had to modify the one I've got fitted..
I'll probably have to give renthal a shout to make some up, bit of an expense but then I need them teeth! _________________ More **** two strokes than you can shake a **** stick at.
Not wanting to turn into a discussion. Rental do one sprocket type that fit all MC18's and MC21's up to 42t. _________________ If I have to take the carbs off once more...
Anyone know any suppliers or have a second hand one to sell? Only need it for tonfanau as 14/42 works good at anglesey.. _________________ More **** two strokes than you can shake a **** stick at.
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