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NiklasPhabi · March 18th, 2019, 11:22 AM

Hey there dear friends,

I am starting to go insane over my 2006 Ninja 250R. I re-did my valve clearings now a couple of times, but still feel like I have symptoms of too tight clearances (rough idle, stall at 5000-6000 rpms, occasional backfire).

I did the adjustment according to faq.ninja250.org (here), i.e.

Exhaust: 0.11mm - 0.16mm
Intake: 0.08mm - 0.13mm

I am however also in possession (e.g. from here) of a service manual for the 2008 Ninja 250R, which states.

Exhaust: 0.22 ∼ 0.29 mm
Intake: 0.15 ∼ 0.24 mm

I spent hours on the internet trying to find the specific ranges for the 2006, but seem to be approaching this search wrong. I would appreciate any kind o help!

Thanks a lot

March 18th, 2019, 11:22 AM	#1
NiklasPhabi ninjette.org newbie Name: Niklas Location: California Join Date: Mar 2019 Motorcycle(s): 2006 ninja Posts: 9	2006 Valve clearance Hey there dear friends, I am starting to go insane over my 2006 Ninja 250R. I re-did my valve clearings now a couple of times, but still feel like I have symptoms of too tight clearances (rough idle, stall at 5000-6000 rpms, occasional backfire). I did the adjustment according to faq.ninja250.org (here), i.e. Exhaust: 0.11mm - 0.16mm Intake: 0.08mm - 0.13mm I am however also in possession (e.g. from here) of a service manual for the 2008 Ninja 250R, which states. Exhaust: 0.22 ∼ 0.29 mm Intake: 0.15 ∼ 0.24 mm I spent hours on the internet trying to find the specific ranges for the 2006, but seem to be approaching this search wrong. I would appreciate any kind o help! Thanks a lot