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My cr250 2 stroke doesnt seem to go into its powerband and has a flat spot

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I have kx 85 an powband doesn't kick in I put new govner in an full rebuild can u help


Hi, Frankee and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
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.
kx85 2003 won rev out
03 KX 85 Powerband Problem Kawasaki 2 Stroke
http://www.kawasakimotorcycle.org/forum/kawasaki-motocross-offroad/148673-03-kx85-powerband-wont-kick.html
bike bogs when it hits the powerband Kawasaki 2 Stroke
Kawasaki KX85 Service Manual

Sep 03, 2016 | Motorcycles

1 Answer

Kdx why no powerband in first and second gear


Hi, Phil and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
For more information about your question and valuable free downloads that you will need please visit the website below. Good luck and have a nice day.
no power in first two gears
Two Stroke Power Valves Explained
Kawasaki Motorcycle Service Manuals

Feb 26, 2016 | Motorcycles

1 Answer

91 truck with r22 skips in the powerband timing chain was replaced fuel filter and pcv as well still skips in the power band help


Hi William, I'm not very sure what you mean by "skipping in the power band." The 22 R does wear out the timing chain sprockets. You would be wise when replacing the chain, also to replace the guides, tensioner and the complete set of sprockets. As I have said, I cannot identify the problem you're having from you description, but taking a guess, if your vehicle is fitted with a carburetor and not fuel injection, are you experiencing a flat spot during acceleration? This usually happens during take off and low engine revs. If this is the problem the fault is with the carburetor, between the throttle body (the lowest part) and the section containing the float chamber. It is sometimes possible to strip the unit and polish the two surfaces using a sheet of wet and dry emery paper laid on a sheet of glass, until both are perfectly flat, but the best course of action is replacement of the carburetor. If the engine is fitted with injection, remove the intake manifold and inspect all gaskets between fuel delivery areas and the cylinder head, as leakage of air between the manifold and cylinder head can also result in a flat spot or spots. If this explanation does not solve your problem please let me know as many details as possible, with descriptions of the symptoms and when they occur. Regards John.

May 23, 2014 | 1991 Toyota Pickup

2 Answers

The powerband on my 2007 yz125 doesnt feel like its running strong at all. the powerband wants to scream but it's like as if it hesitates or kicks on and off. whats going on???


Hi, Andrew and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
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.
01 YZ 125 no power band please help Yamaha 2 Stroke
https://www.floridatrailriders.org/ftr_forums/showthread.php?t=1302
YAMAHA YZ125 Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Sep 11, 2012 | 2007 Yamaha yZ 125

1 Answer

How to remove Cr 125 powerband 2001 model


wot do you mean by remove the powerband ? You can adjust it to come in sooner or later as required but its designed this way , get familiar in keeping the revs up above powerband and dont be scared ! P...

Feb 11, 2012 | 2002 Honda CR 125 R

1 Answer

1986 Yamaha yz 250 won't rev to powerband


Hi, Patrick and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
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.
1999 yz250 not hitting power band
2001 YZ 250 Won Hit Powerband Yamaha 2 Stroke
YAMAHA YZ250 LC Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Oct 13, 2011 | 2003 Yamaha YZ 250

1 Answer

Rm 125 wont crank


wont start, or you can't move the kick starter?
If it kicks easily, do a compression test.

Feb 04, 2010 | Suzuki RM 125 Motorcycles

1 Answer

My 2003 KTM SX 200 lacking bottom end, top just rebuilt


isn't that a two-stroke? pull the jug off and check the piston/bore...if you can do that you're okay...Otherwise, call "Lazarus" at GT Thunder in Millersburg, FL and ask NICELY what to do.
P.S. he's a BUSY man be NICE to him!

Jun 15, 2009 | 2003 KTM SX 200

1 Answer

Powerband not coming in@6 thousand revs


strip and rebuild!!!

2 stroke madness does not come without its own problems!!! enjoy oit though, i had one of those once!!! would love another.

Jan 04, 2009 | 1986 Yamaha RD 350

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