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XT 600e dynojet kit,worth it? XT 600e dynojet kit,worth it?
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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.
Photo by Andy Miller, UK, Taking a rest, Jokulsarlon, Iceland

I haven't been everywhere...
but it's on my list!


Photo by Andy Miller, UK,
Taking a rest,
Jokulsarlon, Iceland



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  #16  
Old 18 Sep 2013
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Perhaps a new diapfragm with softer rubber can do the same job?

/Bille
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  #17  
Old 18 Sep 2013
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Yes the best is new one and drill hole, the set up for the dynojet is to be done with both holes drilled and raise needle. This is how they have tested it to be working best for the carb, why not drill the hole??? 5 years since i have done this to my carb and never had any problems.
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  #18  
Old 23 Sep 2013
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Quote:
Originally Posted by transam08 View Post
I am thinking about fitting a stage 2 dynojet kit to my 2006 4PT with K&N filter and arrow exhaust. Bike runs ok with needle lifted up a notch on standard jets, but is not as fast or smooth as my son's older xt600, which is understandably irritating.
Has anyone got any experience with these kits?

Grateful for any advice
Yes, it's worth it. I installed my Dynojet kit today. What a difference. More power at low engine revs and quicker throttle response. I didn´t drill the main jet, the bolt sat too hard. I will try another day. But it works great anyway!

/ Bille
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  #19  
Old 25 May 2014
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dynojet kit for xt 600 fitted at last
Managed to buy a dynojet kit from the states( via Amazon) for $12 ! old stock over there, they stopped importing XT 600's long before Europe.


Stripped and cleaned both carbs, fitted needle and drilled larger air hole as mentioned earlier in this thread. Main jet was already bigger than the drill provided so left alone. Removed snorkel and fitted airbox grill from Kedo in it's place.


Bike started fine but popped and would not tick over. Also bike would surge at point where secondary carb cuts in. Adjusted pilot on slide(left hand) carb by inserting screwdriver bit up into hidden recess and turning until idle speed increased. I did this with the engine cold as when I tried with the engine hot I kept burning my hands. I think some luck was involved but now the bike runs perfectly. Prob about 4 turns out from fully in. Was 2.5 turns with stock needle. Much quicker acceleration and better performance at higher speeds (65-75 mph) Fuel consumption still around 50mpg.
Bike is 4pt 2006,45k,arrow exhaust, k&N filter.
Definitely worth it, to answer my own original question
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  #20  
Old 30 May 2014
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I'm happy for you, tramsam08!

I installed a larger nozzle (140) in the main jet and the bike runs smoothly and with more power. I reinstalled the snorkel when I find it annoying to hear the sound from the carburetor. Do you? Otherwise I am very satisfied.

/ Bille
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