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Yamaha Tech Originally the Yamaha XT600 Tech Forum, due to demand it now includes all Yamaha's technical / mechanical / repair / preparation questions.
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  #1  
Old 2 Apr 2008
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XT600E adjustable camshaft sprocket

Hi guys!

Do anyone know of any adjustable cam sprocket for the XT600 engine?
I looked an some known companys' catalogs but nothing
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Old 3 Apr 2008
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why adjustable? that should be strong part doubt the adjustable would last long...I'm supposing it's the camshaft your talking about....

Vando
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Old 3 Apr 2008
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I would like to "play" a little with my cam timing.
Why are you saying that it won't last...?
A lot of cars and bikes are using adjustable cam sprockets, without any problem...
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Old 3 Apr 2008
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I am guessing that as the XT600 uses a fundamentally de-tuned engine no-one has bothered producing an adjustable camshaft sprocket for it - all the ones I have come across have been in racing applications.

Just had a quick look and couldn't find any for a single apart from a crf450, a machine that gets raced a lot.....
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Old 3 Apr 2008
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I think the adjustable sprockets would apply more to engines with separate intake and exhaust cams so you can play with advance, and overlap. On a single cam you would pretty much be advancing or retding the cam timing.
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Old 3 Apr 2008
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Quote:
Originally Posted by yhprum View Post
I think the adjustable sprockets would apply more to engines with separate intake and exhaust cams so you can play with advance, and overlap. On a single cam you would pretty much be advancing or retding the cam timing.
You mean by moving the cam chain one teeth more than normal on the sprocket?

I'm searching for the adj. sprocket, because i'm going to install a stage 2 or 3 cam (280o duration, 10+mm lift) and i thought that it will be nice to have some 5o adjustment of the cam timing, for better results on the dyno.
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Old 3 Apr 2008
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I'm thinking less that one tooth, usually less than 5 degrees if I recall.
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Old 4 Apr 2008
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High-lift cams on an XT???

Please see my previous comments about turd polishing (Titanium springs on an XT thread)

I do as always have my tongue in my cheek and a grin on my face. Doesn't come across well in text form.....
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