2005 Suzuki RM-Z 250 - Answered Questions & Fixed issues


Check the thermostat in the bike it may not be opening at all sounds like it is not working and also check the water pump as well

2005 Suzuki RM-Z... | Answered on Oct 20, 2015 | 327 views


Hey mac1567 I am having the same problem what did you do to fix it.

2005 Suzuki RM-Z... | Answered on Sep 17, 2015 | 884 views


check compression.may have a bent valve.

2005 Suzuki RM-Z... | Answered on May 27, 2014 | 77 views


see the troubleshooting chart and fix it. God bless you

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2005 Suzuki RM-Z... | Answered on Nov 30, 2013 | 41 views


It's an internal transmission problem. A bent or worn gear shifting fork, or the gear dogs are battered. On the other hand it could be worn clutch teeth sliding, a worn clutch cable or the plates are sticky. Check the clutch plates and adjustments on linkage.

2005 Suzuki RM-Z... | Answered on Nov 30, 2013 | 152 views


Sheared Quarter moon key is has rotated the the magnetic flywheel on the tapered shaft so the timing is off. Remove the left side engine cover and spin off the nut on the out put shaft. You may need a claw puller. You'll find the half key in the shaft is cut in two. Tap it out with a chisel on the end. It's sitting in a curved grove so will tilt up out when tapped on one end. also remove the flat part from the magneto wheel replace the key in the shaft groove with THE right size, and push the magnetic wheel back on strait with the new key. replace the bolt. and reassemble the cover. Start er up. and go.

2005 Suzuki RM-Z... | Answered on Nov 30, 2013 | 103 views


Sounds like the valves are out of adjustment.

2005 Suzuki RM-Z... | Answered on Aug 07, 2013 | 413 views


DOES IT STOP RUNNING BECAUSE OF A FOULED PLUG WHAT RATIO FUEL/OIL ARE YOU RUNNING
40:1 IS A GOOD RATIO NEVER HAD A FAILURE IN 20 YEARS

2005 Suzuki RM-Z... | Answered on May 08, 2013 | 510 views


if your having a problem starting it is usually always the valves that need to be set/ reshimmed mech.i also have 06 crf 250

2005 Suzuki RM-Z... | Answered on Oct 15, 2012 | 119 views


underneath on the bottom of your motor...there is a drain screw right wwhere your bike sits on its stand..very easy to see

2005 Suzuki RM-Z... | Answered on Oct 15, 2012 | 869 views


try tightening down your head bolts if this does not work then take the head off take the bore off and replace the bore and head gaskets and put some gasket sealent on them

2005 Suzuki RM-Z... | Answered on May 04, 2012 | 82 views


pull the sparkplug[s] spray some PB Blaster inside, then let it set like that for a few days....then try to kick syart without having the ignition on...if it starts turning....then replace fresh plugs and you'll probably needs to spray some ETHER [ starting fluid ] in the intake to compensate for the oil you sprayed inside

2005 Suzuki RM-Z... | Answered on Apr 22, 2012 | 212 views


You need to replace the complete clutch Assembly sounds like it is hanging up or something is loose. Remove it again to verify that the housing does or does not have cuts in it. This also sounds like it is stuck in gear or between gears.

2005 Suzuki RM-Z... | Answered on Apr 08, 2012 | 92 views


Definitely the head gasket mate water cant really get above piston any other way - the piston would be sucking water into it on the down stroke then on the up stroke water would be passing pass the piston rings into sump oil
the only test you can do with out the bike started is a compressed air leak down test I happy to elaborate on this test if you need but if you do all your own rebuilds then I sure you know all about it..
when you take head off to replace gasket I would highly recommend you get the face of the head machined as pretty much any head that age in my experience at least would have some warpage to the face which will become harder and harder to get good head gasket seal even with new gaskets also if budget allows this would be great time to consider new piston and rings kit even new cylinder as its all apart any how if you can afford it would be very worth while
when you get running again I would also change that oil completely and oil filter every ride for at least 2 or 3 times to make sure all that water is all gone - or it will bite you later with far worse problems than head gasket issues

2005 Suzuki RM-Z... | Answered on Jun 03, 2011 | 265 views


Try cleaning out first the carb. This may also be a problem with the choke and the jet for the idle. If spraying carb cleaner does not help you may want to do further cleaning by taking the carb out. You can do further inspection as well if you need parts to be replaced.

2005 Suzuki RM-Z... | Answered on May 07, 2011 | 118 views


Piston blow-by, ( compression getting past the piston rings ), is the cause. Your bike has a breather tube just behind the cylinder on the right side of the center case. Be sure it isn't plugged up and that the fitting is not plugged up. Please rate my answer. Thanks.
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2005 Suzuki RM-Z... | Answered on Apr 22, 2011 | 346 views


Getting a good connection is the problem. It just isn't gonna work. Time for a new coil. Please rate my answer. Thanks.

2005 Suzuki RM-Z... | Answered on Apr 22, 2011 | 171 views


your float is getting stuck open because I had the same problem.

2005 Suzuki RM-Z... | Answered on Jun 12, 2011 | 642 views


there are 3 things you can do

1. replace fuel filter
2. clean unclog fuel line
3. clean carb

heres a link to a complete tare down of the carb

http://www.suzukipartshouse.com/?gclid=CJSPxLWE66cCFQQ-bAodDCu_bQ#/Suzuki/RM-Z250_%282005%29/CARBURETOR

good lock.

2005 Suzuki RM-Z... | Answered on Mar 26, 2011 | 1,122 views


Sounds normal to me. Keep the choke on slightly until it warms up...As little as needed to
keep it running

2005 Suzuki RM-Z... | Answered on Feb 12, 2011 | 1,129 views

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