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Hi i have rm85 and the kickstart wont budge dont know much about bikes all and it wont bump start either any clues how i could fix this or what the problem is

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jmhsn

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  • 12 Answers

First thing is to find out if the crankshaft will turn. Remove the spark plug and the roundish cover on the left side of the engine which should expose the ignition assembly. Put a socket on the end of the crankshaft and see if it turns freely. If it doesn't, you have a seized piston or other internal problem.

Posted on Aug 09, 2014

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5 Related Answers

onyeredson

Paul W

  • 404 Answers

SOURCE: yz 250 wont kickstart

Hi!
You obviously look after your machine and very sensible when laying up, however as you are probably aware 2 strokes rely heavily on compression, A. to produce excellent combustion and B. to draw fuel into the chamber. So when you try kick starting you can't get enough revolutions to draw the correct amount of fuel into the cylinder, where as you push start you constantly turn over the engine increasing compression slightly and bingo it fires.
Can you remember how when kick starting it before this problem the feel on resistance when kicking over? has it now become a lot easier? if so you possibly have worn or broken compression piston rings.
A compression test will reveal this, I hope this sorts your query?
Press the Blue button please for my FREE effort,
Thank You!
Paul 'W' U.K.

Posted on Feb 06, 2009

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DoubleClutch

Greg O'Day

  • 376 Answers

SOURCE: i have to kickstart my bike for about 10 20 min

If you are saying the starter just spins and doesnt start the engine then your starter bendits has gone bad and is not kicking out to meet the fly wheel. You while have to remove the starter and have it repaired or replaced.

Posted on Dec 12, 2009

yammy_alf

wenceslao alfar

  • 666 Answers

SOURCE: 2 year old Jonway 125cc bike cuts out and kickstart fails

check first if spark plug working you can see spark light on it upon kickstart. then proceed with the gas carburetor if gas intake working and not stuck. if no power goes to spark plug trace the source. first the cdi then the ignition coil and the voltage regulator.

Posted on Apr 13, 2010

Geoff watson

  • 164 Answers

SOURCE: new stator cover bike wont start

useing a multimeter set to d.c check your charge at the battery whith out the motor running it should read above 12 volts determine the voltage stored in the battery with the meter stil conected hit the start button if the meter shows a dramatic drop in voltage its almost certain that the battery is shot howevwer if the voltage does not drop & it wont start bump start it conect the meter still set on dc increase the revs asyou do this the voltage should climb to 13.50 if it does & maintains 13.50 to 13.65 the chargeing system can be declared ok & you only need replace the battery however if it goes above 14 volts the voltage regulator is faulty & cooking the battery so you will need to replace both

Posted on Apr 14, 2010

Anonymous

  • 1 Answer

SOURCE: bumps, but wont start on the kickstart.

Hi there, I have a yz 250 which did the same thing. Would jump start but would not start when kicked over. Test your stator, orthe pick up. Worked for me

Posted on May 27, 2010

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You have probably sheered off the teeth that engage the kick start with the gearbox, else ( more commonly ) the spline in the kickstart lever has worn out and is slipping on the input shaft.
You should still be able to bump start your bike ( in second) .
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You should still be able to get bits for your bike, they are getting collectable and some parts interchange across models.

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Please mark this as helpful (if it has been!!)

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3 Answers

Yz 250 wont kickstart


Hi!
You obviously look after your machine and very sensible when laying up, however as you are probably aware 2 strokes rely heavily on compression, A. to produce excellent combustion and B. to draw fuel into the chamber. So when you try kick starting you can't get enough revolutions to draw the correct amount of fuel into the cylinder, where as you push start you constantly turn over the engine increasing compression slightly and bingo it fires.
Can you remember how when kick starting it before this problem the feel on resistance when kicking over? has it now become a lot easier? if so you possibly have worn or broken compression piston rings.
A compression test will reveal this, I hope this sorts your query?
Press the Blue button please for my FREE effort,
Thank You!
Paul 'W' U.K.

Feb 06, 2009 | 2000 Yamaha DT 125 R

1 Answer

1974 R90S Transmission question


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