Question about Suzuki RM-Z 250 Motorcycles
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Posted on Jan 02, 2017
The valve clearance settings for the 2005 RMZ450 when the engine is cold are > Exhaust .006 to .009 > Intake .005 to .007, per the factory service manual.
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Posted on Apr 08, 2009
what an *******. If I had a manual or my library had one I wouldnt be asking the question. If I need help fixing something dont tell me to go jump in a lake just dont answer
Posted on Nov 08, 2009
Yes the 2005 SUZUKI (please don't call the Honda dealer) RM-Z250 was completely manufactured by Kawasaki. Some 2-stroke MX bikes have an electronic power valve in the carb. This is a 4-stroke with a mechanical accelerator pump in the carb. All of the other starting tips above apply except it doesn't have a battery. That's nice if you have don't know 4-stroke dirt bike starting procedures and you have no mechanical problems. But I'm sure you have tried all the suggested methods and you are frustrated by the continued hard starting like all 250 Kawazuki half breed owners. This is caused by worn valve train, zero valve clearance, and low compression. It's not a tuning or adjustment problem.Since you didn't mention your brand new head and valves they are obviously worn out like any used 2005 would be. The valve train in these are junk when they are new. I have seen new 2004 and 2005's with the valve seats so out of alignment with the valves that they require push starting in less than 5 hours...don't even bother with stock parts - upgrade to aftermarket valves and have a head built with copper beryllium valve seats. Otherwise prepare to repeat the aggravation. I build these engines for a living, I don't know anything about cars.
Posted on Feb 17, 2010
SOURCE: valve settings for rmz 250
Exhaust Power valve setting for stock is: 1/2 turn out from closed. **3/4 of a turn for extra low-end grunt. [all varies depending on jetting selected,..start at stock 1/2 turn out ... and X-periment from there] .
Posted on Apr 12, 2010
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