Question about 2005 Suzuki RM-Z 250

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Setting valves i have a 05 susuki rmz 250 keeps breaking down every 10 to 15 hours took it to a shop to be fixed and they told me i had to rebuild the top end and set the vales every 12 hours . IS THIS TRUE?

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I don't know what may be wrong with the top end, (if anything), but I wish I could come up with a line of BS like these guys have. I could maybe get rich by constantly servicing just one bike. What happens when the bike "breaks down"? What does the shop say is wrong with the top end such that it needs to be rebuilt? What do they do to fix the breakdown each time? What do they charge you?
Get back to me by posting a comment.

Posted on Jun 21, 2009

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Posted on Jan 02, 2017

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My 2004 rmz 250 4 stroke lost power died went to kick it over and it locked up what causes that?


Hi, William you may have hydraulic lock caused by excessive liquid in the cylinder or you have squeaked your top end this is commonly known as "HEAT SEIZE" the piston heats up expands and becomes extremely tight in the cylinder bore and usually occurs mainly on 2 cycle engines right after a fresh top end rebuild, but it can also happen to brand new motorcycles, these are rare instances due to better quality control and education. Overheating failures that cause pistons to seize are many and each one should be carefully diagnosed to prevent future repeat offenders and the usual suspects are:
1. Lack of lubrication due to low or no oil.
2. Among the causes of lack of cylinder, lubrication is clogging of lubricator by dirt or waste, obstruction in oil pipes/lines, leaky check valves, leaky pump packing, broken oil pipe/line, oil too cold to feed.
3. Wrong type of oil used in premix or oil tank.
4. Improper premix ratio you should start with 32:1 as a baseline.
5. New rebuild piston to cylinder tolerances set up too tight.
6. Failure to follow proper break in procedures with a 16:1 premix ratio.
7. Loose fasteners causing intake, base, or head gaskets to leak or blown crankshaft seal, failure caused by age, overheating or walking. 8. Holes in the intake manifold bent or warped intake flange or reed cage any stray air coming into a cylinder will cause a super lean condition.
9. Improper assembly of reed valve gaskets.
10. Insufficient warm up time for temperature conditions before WOT.
11. Broken, pinched or cracked fuel line.
12. Carburetor fuel passages clogged or restricted from stale fuel varnish, ethanol sludge, dirt, rust, or fuel level in float bowl too low.
13. Main jet size too small or partially clogged
14. Air filter improperly installed, missing or not sealing.
15. Faulty or improperly adjusted oil pump and or cable.
16. Failure to bleed oil pump after a rebuild/replacement or running oil tank dry.
17. Engine coolant level too low, too old, or improper mixture ratio.
18. Radiator clogged, fins damaged, or faulty cap.
19. No liquid circulation due to failed oil or water pump.
20. Cavitation due to air in oil or coolant system.
21. Water and oil mix due to blown head gasket.
22. Timing retarded due to faulty CKP sensor or CDI.
23. Improper spark plug heat range (too hot) and or gap.
24. Excessive engine load, brakes dragging, clutch slipping, transmission lubricant level too low or viscosity to high.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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http://www.vitalmx.com/forums/Moto-Related,20/2008-RMZ-450-Locked-up,1217233
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Feb 23, 2017 | 2007 Suzuki RMZ 250

1 Answer

What are the valve clearances on my 2014 rmz 250


Hi, Colin sorry you can't find the first and best tool you ever bought for your Suzuki despair not for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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http://www.mxguy.com/downloads/service_manuals/2004_KX250F_Service-Manual.pdf

Apr 15, 2016 | Motorcycles

1 Answer

Valve clearances on my rmz 250 2014


Hi, Colin for more information about your question and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
http://www.mxguy.com/downloads/service_manuals/2004_KX250F_Service-Manual.pdf
2004 RMZ 250 Valve Adjustment Part 1
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Apr 15, 2016 | Motorcycles

1 Answer

OK I have a 2005 rmz250 top end was just rebuilt when I got it back from the shop the oil was milky so I changed it road the bike for 5 min. Then the oil got milky again I had no problems with it before...


Hi, Justin stay on top of this situation if you just got it back from the shop it may be a faulty/misaligned gasket or seal if it's condensation you need to ride the bike for at least an hour to boil off the water for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your problem. For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day.
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Feb 27, 2015 | Road Motorcycles

2 Answers

Rmz 250 valve problems


Yes, it is a valve problem. It sounds like a weak intake valve is dishing / stretching due to overheating. The exhaust valves are made to better withstand the heat. Check for cooling problems when you replace and seat a new valve.

May 24, 2010 | 2004 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

2 Answers

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] .

Apr 10, 2010 | 2004 Suzuki RM-Z 250

1 Answer

Sospension original set up


The best way to set up your suspension is to have someone hold the bike while your on it. Then a thrid person to watch. You with your feet on the pegs jump down on it with out sitting on seat. This thrid person is there to watch to make sure that the bike will rebound or come back to normal, with both the front and rear coming up at the same time. As far as the best set up, it is all a weight thing. Keep it where it is take to woods, if you don't like it adjust it. Keep doing this until you like it. It took me 2 days on my bike just to race one Harescramble.

Jan 08, 2009 | 2005 Suzuki RM-Z 250

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