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Carlcox89

Swingarm chain rub

10 posts in this topic

I started the conversion of my wr to sm but faced some problems

20130328_195859_zps97c5f242.jpg

II am worried about the chain...as you can see it will rub and damage the swingarm.

My transmission is 14/41, going one or two tooths wont make significant difference.

What can i do to prevent this???

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May be because the angle i took the picture is not the best... but even if i sit on the bike and have someone looking at the chain it doesnt do a straight line, causing serious "pressure" on the swingarm that will cause chain slider wearing very fast and affecting the swingarm for sure.

I dont think going up one tooth front and 3 rear will make such difference :/

Edited by Carlcox89

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May be because the angle i took the picture is not the best... but even if i sit on the bike and have someone looking at the chain it doesnt do a straight line, causing serious "pressure" on the swingarm that will cause chain slider wearing very fast and affecting the swingarm for sure.

I dont think going up one tooth front and 3 rear will make such difference :/

No, that won't matter at all.

Once you sit on the bike, the chain will be straighter, and , if you look at KX450's and several other bikes, they are way worse than this stock.

The TM and the Malcom Smith rub strips will last you two years for more.

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Krannie, previously i was running rear rider sag of ~95mm, how much rider sag do you think is good for street/road normal usage (no jumps, no extreme riding) ?

i've already set rear shock absorver low compression to stiffer (maximum), tomorrow will set rebound to stiffer also. The only thing i dont know is the ideal rider sag (i weight about 75kg and have the stock spring)

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Race sag should be 95-100mm with 25mm of static sag, IMHO.

You have to measure both.

If you provide less sag, you will have quicker steering, which you probably don't want for the street.

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why in the world are you running 14/41????

16T CS sprocket~! make sure you mod your case saver properly to fit it or mill out a new one. 16/48 puts me at 5000rpm at 60mph with a knobby.. not sure what a slick would run at

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why in the world are you running 14/41????

16T CS sprocket~! make sure you mod your case saver properly to fit it or mill out a new one. 16/48 puts me at 5000rpm at 60mph with a knobby.. not sure what a slick would run at

I dont need to do a lot of highway, so 14/41 is acceptable for me... maybe going to 15, but everyone i see has 14 or 15 / 40,41,42,44

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I dont need to do a lot of highway, so 14/41 is acceptable for me... maybe going to 15, but everyone i see has 14 or 15 / 40,41,42,44

....but if you don't do a lot of highway, 15/50-51 should be fine. 55mph at 5000 rpm.

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