Question about 1991 Suzuki RGV 250 M

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Hi,my 1991 vj22 rgv 250 is only fireing on one piston?the last time i took it for a ride i went to over take sum1 and when it went to hit powerband it lagged for about 15-20 secounds,after that i started it up the following day to find it only fireing on one piston,its getting plenty of spark and the piston is moving freely,could this be a powervalve problem?IF SO WHERE ABOUTS ARE THE POWERVALVES LOCATED?thanks

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  • Suzuki Master
  • 3,498 Answers

Sounds more like a carburetor problem....take it to a QUALIFIED professional...PLEASE

Posted on Jul 25, 2017


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  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: what is the cause of mis firing of one cylinder of suzuki rgv 250

try renewing the HT cable.,possible arking out

Posted on Jan 27, 2009

  • 16 Answers

SOURCE: powervalve assembly on Yz 250 r 2003

Service Manual

Posted on Apr 10, 2010

SOURCE: my 1991 rgv 250 is

I think your model is a water-cooled model with a radiator. Likely you have a leak in the head gasket or (hopefully not) a cracked block that is letting the coolant into the engine cylinder making all the white "steam" and stinky exhaust as the coolant burns.
DON'T CONTINUE to run/ride the bike until you fix this situation as it can blow your engine with all that water in the cylinder.
Check the oil... does it look milky or foamy... that would be confirmation that you for sure have a coolant leak into the engine. But you still could have the coolant leak even if the oil looks fine.
You can replace the head gasket if you can still find one available (you bike is a "vintage" machine for sure!) or may wish to find a motorcycle repair shop that works on older bikes. You may have to call around... many motorcycle places do not work on older bikes... check your yellow pages or google for vintage motorcycle clubs in your area... you likely will be able to find the correct place through them.
If YOU plan on trying to replace first the head gasket, and then the whole block if necessary, then please repost with that request.
Hope this helps or at least explains what is going on...

Posted on Dec 15, 2010

  • 4585 Answers

SOURCE: Hi,redone the top end of my Rm125 1989,it

it probly hit the valve cause u didnt set the mechanical timing rite-now its bent and leaks compression at TDC--also u sure the rite size piston was used-do u have a repair manual

Posted on Mar 13, 2011

  • 1 Answer

SOURCE: bike boggs down no powerband rm 250

i have a 92 rm 250 an i just had it fully rebuilt an it laggs in power band an splutters an feels guttles

Posted on Apr 16, 2011

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What is the difference between the vj21 and the vj22 engine. i read that the difference between the models is an upgraded electrical system, is this correct.

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Bike boggs down no powerband rm 250

i have a 92 rm 250 an i just had it fully rebuilt an it laggs in power band an splutters an feels guttles

Oct 09, 2009 | 2003 Suzuki RM 250

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I'm about to rebuilt my RGV 250 VJ21a top end but I don't know wich rings I should use,cylinders are stock size but I had too little compression less than 85 psi. should I use rings at the 25 measure will...

hi buddy the standard piston and rings will be the ones you need if its still below 85psi your barrel must be out of shape or you are leaking air in the gasket or in the coolant also when you put a new piston kie in get new gaskets my kx85 new ring and piston went to 185psi

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RGV 250 m Backfire

Could be a crack in the boot between the carb and the head. this cracks usually from back firing. also check the exhaust flange to ensure that it is tight. Have you checked the valve clearances lately.

Sep 09, 2009 | 1991 Suzuki RGV 250 M

1 Answer

Could you tell me the correct tyre preasures for front and rear tyres on a 1991 suzuki rgv250

At the maximum of 45 psi the bike rides like a rock. 25 psi and it is squirrely to ride. 35psi is the norm. Go up or down from there to get the ride you want.

Please rate this answer. Thanks ianthain!

Apr 14, 2009 | 1991 Suzuki RGV 250 M

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