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2007 RMZ 450 top end noise hard clicking and hard to start and very hard to keep running right after starting

Posted by jill blackwill on


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  • 12 Answers

SOURCE: rmz 250 04 model wont idal or kick start

Like I told somebody earlier to day lower the octane rating of the gas you are using....repost if you need anything futher......

Posted on Jun 22, 2009



  • 1 Answer

SOURCE: 95 jeep yj 4 cyl. hard to start when cold. wont

Mine did the same thing. Replaced the computer and works like brand new. Hope this helps.

Posted on Jan 29, 2010


tim mcgrath

  • 617 Answers

SOURCE: 04 crf450.hard start when cold(25deg).kick for 10min.once it

1. First thing is when was the last time you had your valves adjusted
2. On cold start up twist about 15 times on your throttle, as you do that the accelerator pump in carb will shot gas in cylinder, I have a 2003 yx426 & 2005 yz450 have to do to both of them when cold out to get started

Posted on Feb 07, 2010


  • 67 Answers

SOURCE: What tempature should my rmz 450 run at? Also why

The cooling system on the RM-Z450 was designed for motocross and only works efficiently with air flowing through the radiator. You should not sit at idle for more than a minute or two if at all possible. The extreme high output of this engine causes extremely high exhaust output temperature. The pipe temps can reach 600-800 degrees F plus all the way back to the silencer. This is normal on all modern racing 4-strokes. There are a lot of aftermarket products available that help increase the cooling system efficiency. There are also several products that help insulate critical areas from engine and exhaust heat including shields for fuel tanks/lines, the carb/throttle body, rear shock, and plastic body work.

Posted on Feb 18, 2010

Testimonial: "Thank you high command very much."


  • 653 Answers

SOURCE: 07 rmz 450 fork oil lvel

about 200-250cc in each fork. Good?

Posted on Apr 26, 2010

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1 Answer

Dose anyone no where the vin number is on a 05 to 08 rmz450 ?

not for sure,but look on the frame right side almost under the frame,about mid way of the engine.

Feb 17, 2014 | 2007 Suzuki RMZ 450

2 Answers

Are there timing issues with the 2006 rmz 450? I replaced the valves, (bent from timing) cam timing chain, oil and oil filiter. When I try to start it it backfires but will start... Once it gets hot and...

have u tried turning the engine over slow for about three to four turns with the kick starter then kick it once or twice hard should start...dont give it any throttle...floods easy

Oct 09, 2010 | 2005 Suzuki RM-Z 450

1 Answer

Started hearing alot of top end noise, Valves are in spec ok, But did notice some metel dust on the outside end of the intake cam lobe. Can anyone tell me what i am looking at. I have a 2007 RMZ 250...

You red line this bike don't you? The first thing to start going on a cam is the bearings. Change bearings and run the bike for about 30 hours at 1000rpm and let it break in, then change the oil and hit it hard. It will last longer.Might want to look in the crankcase too and see if there is metal shavings there too. You may need to change the rod bearings. But either way you are on the curve of burning up your engine.

Sep 08, 2010 | 2005 Suzuki RM-Z 250

1 Answer

Was given 2006 rmz would not start so checked spark has spark has gas and oil so looked on line and read it might be valve troulbe so i all so jump stated it no luck did not try to hard it was only riden a...

have u checked your top end on it , u might need a new set of rings compression ring might be weak install a pressure gage on it kick start it check your pressure readings should be around 160 if it bleeds off then u need a new rings

May 10, 2010 | 2005 Suzuki RM-Z 250

1 Answer

07 rmz 450 fork oil lvel

about 200-250cc in each fork. Good?

Apr 23, 2010 | 2004 Yamaha YZ 450 F

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