Question about kawasaki GPX 250 R Motorcycles

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I have a kawasaki250gpxr.when i put choke on it starts up but when its warm and i take choke of it will high rev tjhen die on tick over ,but the bike rides fine

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  • 185 Answers

Sounds like running lean fuel condition running with choke on high rev when choke off and cutting out all points to lean condition
Get it serviced and tuned if you not confident to adjust fuel mix your self also you could try some fuel cleaner additive to your fuel tank that may clear it if is just dirty pilot circuit you might get lucky
But I would suggest get it serviced and tuned some where you trust ASAP you wont hurt anything it will just let you down when you need it AS THEY DO!!

Posted on May 22, 2011

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Posted on Jan 02, 2017

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1 Answer

Rpm high after starting the engine of R15 v.2


It sounds as if a throttle cable or choke cable is either sticking or badly routed . Most bikes rev high at cold start then the revs should decrease as the engine warms up. I would check the throttle and choke cables first make sure they lubricated and operate smoothly and especially with the throttle cable if you open it slowly does it return immediately you take your hand away. It should almost snap shut. I would also check out the pilot air screw in the carb these get clogged with debris from the petrol over time. Before you take the pilot air screw out turn it clockwise into the carb and note how many turns it takes until it stops (do not over tighten this screw) be very gentle when you do this. Check your user manual to see if the turns in you found match the turns out in the manual. Also make sure the tick over (idle) adjuster screw is set correctly your bike should idle at approx 1,200 to 1,300 RPM when hot. My Yamaha 125 is 1,300 RPM my Suzy 650 about the same.

Jan 09, 2015 | Yamaha Motorcycles

1 Answer

High revs cold


manual choke lever raises the engine reves to warm the engine by lifting the needle height and making the mixture rich, warm the bike up before moving off.

Jan 24, 2014 | 2011 Yamaha DT50R

1 Answer

I have put on new/rebuilt carbs 1100 virago. starts up nicely thenwarms up and idles 2000rpm. everything is new,intake boots etc.please anyone HELP


Check the choke settings . If the choke is set to stay on too long it will have high revs and check the linkage to the throttle to ensure that the adjustment is correct.

Apr 08, 2013 | Motorcycles

1 Answer

Hi, I bought a brand new Keeway Outlook 125 jusy 5 weeks ago. Since I bought i had problems when starting it so they put in a new carburator that had a new automatic choke on it. I still have problems...


Is it normal that a new bike dies on you as you drive it? No way my friend. The carburetor should have a thermal-choke and it probably needs some adjustment.

Sep 08, 2011 | 2010 Keeway Outlook 125

1 Answer

My Susiki dies sometimes when I make a stop or slow dow suddently. Whats the problem?


Hello
I would start with the easy less expensive stuff first.
Check/Replace your spark plugs. Carbon fouled, sooty plugs don't like to idle.
Clean/Change your airfilter. Dirty air filters choke the motor. choked motors either stall or rev high.
Carburetor idle screw needs set.
that is adjusted after the bike is warmed up to operating temperature, then set idle.
If that doesn't have you cleared up then you'll need to have your carbs cleaned.

Have a great weekend
Big Al

May 21, 2011 | 2000 Suzuki VZ 800 Marauder

2 Answers

Bike starts fine on choke then ticks over when choke off. within 2-3 mins the revs decrease to the point of stalling. have adjusted tick over to around 900 revs but as soon as engine warm the problem re...


If your bike has ever sat for more than a few months at any time, the carburetors could be plugged with gasoline residue. If so, they will need to be disassembled and cleaned.
Otherwise, make sure all of the normal tune up items have been performed; valves adjusted, air filter, spark plugs, etc. And make sure there are no air leaks between the carburetors and the engine.
Finally, if the above things are all good, then I would perform a compression check. With the throttle held wide open, you should see at least 140psi of compression, on every cylinder. Anything lower than that will cause an erratic idle quality and overall poor performance.

Dec 18, 2009 | 1996 Suzuki RF 600 R

2 Answers

I recently bought a suzuki rm 125 and it wont run with out me giving it revs y is this . i cant leave it to tick over because wen i let off the throttle the bike dies????


the idle buddy is too low,on the carb is a screw the ide screw turn it in 1/4 of a turn with the bike running untill it idles the way you want it too and it will idle the pic below ill help ya buddy 34c510c.jpg

Sep 22, 2009 | 2003 Suzuki RM 125

1 Answer

1984 aspencade starts w/choke and revs up, runs smooth. Take off


My 'wing won't run unless it has been warmed up some. I would suggest that you r&r your carbs to make sure the jets in the bottom are working correctly. They tend to get plugged up, especially after sitting & the aluminum flaking off inside... Rick

Apr 05, 2009 | 1982 Honda GL 1100 Aspencade Gold Wing

1 Answer

Wont run /idle


i'd start with removing the carbs and giving them a thorough cleaning as when bikes sit for so long, the carbs begin to get gummy/varnished from the old gas.

check for blocked holes in the pilot jet & main jet and look for "hard & dried up" gas in passages. be careful of the float bowl gasket as to not tear it or you will need a replacement.

Mar 03, 2009 | 1999 kawasaki ZR-7

1 Answer

Stalls when put into drive on starting


Sounds like their is a vacume leak some where. Try replacing any cracked or broken vacume lines. This should fix ya.

Please contact me if your problem presists.

Thanks, Charlie

Jan 31, 2009 | 1997 Ford Escort

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