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1987 Suzuki QuadRacer LT250R Backfires and kicks

Ypner1503

By Ypner1503
in Suzuki ATV Forum

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Ypner1503 Newbie

Ypner1503

Posted
Posted

Hello and good morning I have a 1987 250 quad racer big carb and engine built . Other day I was driving it it popped and it died on me so I towed it home cuz I didn't want to prevent any more damages try to start it when I got home she backfired and kicked back hard. Need some help if anybody can help me out thanks

 

  • 1 month later...
MarkinAR Experienced

MarkinAR

Posted
Posted

I'd check the timing before going too deep into the motor.  Sounds like the chain flopped and jumped a tooth or woodruff key sheared on the crank.  Backfiring  is usually caused by either firing at the wrong time or intake valve not closing completely.

bobbo Apprentice

bobbo

Posted
Posted

It's a 2 stroke  so it wouldn't  have a timing  chain 

7 minutes ago, MarkinAR said:

I'd check the timing before going too deep into the motor.  Sounds like the chain flopped and jumped a tooth or woodruff key sheared on the crank.  Backfiring  is usually caused by either firing at the wrong time or intake valve not closing completely.

 

bobbo Apprentice

bobbo

Posted
Posted
5 minutes ago, MarkinAR said:

Ha, good catch.  I read quad runner, not racer. 

ha, i love the old quadracers had 4 of them back the 90s  3 250s and a 500  ... wish i could find one again 

MarkinAR Experienced

MarkinAR

Posted
Posted

Never had a 2 stroke.  I've had a 125, 185, have a 250 quadrunner in the garage now, king quad in the past, about everything Honda made in an ATC, some Kawi's, a Can Am now. Just no 2 strokes.  Thought about buying one recently just because I have no experience with them at all.

bobbo Apprentice

bobbo

Posted
Posted
31 minutes ago, MarkinAR said:

Never had a 2 stroke.  I've had a 125, 185, have a 250 quadrunner in the garage now, king quad in the past, about everything Honda made in an ATC, some Kawi's, a Can Am now. Just no 2 strokes.  Thought about buying one recently just because I have no experience with them at all.

junk to keep running but alot of fun and an easy fix with no timing bs if they do pop  ha 

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