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05-20-2008
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 Blaster having problems revving ok, my blaster is having problems revving out, and sometimes just running at all. what happened was, we were at the badlands saturday and had been riding all day, it was about 5 oclock, and i get to the top of a hill and she just dies on me after i drive about 10 feet. so i cant get it started and have to drive it back to the parking lot, where i change the spark plug and it still wont run. then today i get it out and fire it up, and it dosent want to rev out. when i push the throttle, the rpms do not climb like normal and it will not rev all of the way up. when i put it in gear and try to go it would just try to die i couldnt get it to move more than a few feet. so i am wondering what people think it is, it will just not rev up like it usually does, maybe like it is running out of fuel. or could it be a spark issue? im just looking for opinions on what it could be. thanks guys.
__________________ 1987 LT250R XC/woods racing/harescrambles setup everything rebuilt/replaced, mostly aftermarket 2002 Yamaha Blaster SOLD   SFDR harescrambles start line      |
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05-20-2008
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 oh yes i forgot to mention that the compression is fine and that it will not start after it dies. if you let it set for a few hours it will start back up and run the same way.
__________________ 1987 LT250R XC/woods racing/harescrambles setup everything rebuilt/replaced, mostly aftermarket 2002 Yamaha Blaster SOLD SFDR harescrambles start line |
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05-20-2008
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| are the reeds a possiblity? someone please help
__________________ 1987 LT250R XC/woods racing/harescrambles setup everything rebuilt/replaced, mostly aftermarket 2002 Yamaha Blaster SOLD SFDR harescrambles start line |
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05-20-2008
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| does it have spark? maybe the cdi box is going bad
__________________ 99 mx blaster 4mm hot rod stroker 170 psi compression ported, polished custom oversized clutch springs 34mm pj lrd pipe +3+1 asr arms, triple rate pep's +3 swingarm, banshee rear shock +2 durablue hydrolic brake ricky stator timing plate  toomey pipe for sale 2004 yfz 450 +2 gibson arms, elka shocks +4 axel curtis sparks exhaust motor in the shop now. |
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05-20-2008
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| It could be the reeds or you could have sheared the flywheel key. Usually if a reed petal breaks it won't run at all. I would pull the flywheel off and check the key.
__________________ 1987 TRX250R...Flotek porting, Flotek lightened flywheel, V-Force 3 Reed Valve, FTZ pipe, Curtis Sparks silencer, Cool Head w/18cc dome, Keihin 38 Airstryker carb, Burgard +2 a arms, 06 450R front shocks, TAG bars, Janssen steering dampner, Nology coil, AC bumper, AC nerf bars, Maier plastic, Elka valved stock rear shock w/DRS, ITP Baja black wheels, Kenda Klaw front tires, ITP Holeshot GNCC rear tires. Coming soon...Fasst Flexx Bars, 4 gallon tank, 2002 Blaster...gone but not forgotten 1996 Banshee...stock for now! |
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05-21-2008
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| check fuel flow. maybe have some trash in the tank and pluged the petcock. my wifes 4poke had stuff in the tank and very little fuel was getting through the petcock, check spark and the key like said before. clean the carb and air filter. my blaster got trash through the screan in the tank and pluged the main jet. luckly i was playing with jetting so i see it before any damage was done, i had only one plug chop on it and the plug was still white.
__________________ ANDY  my 2000 blaster foam filter from toomey 4 degree key from dustin420 toomey b1 oil block off kit Boysen power reeds worn out stock front tires 20x11x8 razr bored .020 over 3mm stroker have flotek port and polish to match stroke this winter when i get the money, if i can work more then 3 days in a row |
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05-21-2008
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| it mybe the fly wheel key broke or ur tors is actin up or trash in ur carb |
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05-21-2008
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| buy a spark tester. put it on the bike then ride it. or attempt to. when it dire see if it has spark.
__________________ 1997 KTM 300 MXC brand new motor. FMF Fatty Pipe. Ohlins rear shock and forks. fmf q scilencer, dicks racing carb mods, 2007 powervalve adjusting cover, baarkbusters hand guards, all orignal plastics still look brand new. 225 psi of compression,silkolene in the gas and maxima in the trans, rentahal bars and sprockets and d.i.d 520 exmrt x ring chain, al ste up for xc racing and mx. lthe most radical port and polish job i could get, ifes great when you have a 300 cc 2 stroke and ur blowing away 500s and 450 out on the track. WWW.BANDONRENTS.COM sourceautomoyive.biz My fellow americans it is due time we start the 2 stroke revolution........................................ ............ |
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05-21-2008
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| hey i had the exact same problem when i got my blaster it would start fine and when i tryed to rev it up it would sound like it had a rev limiter on it long storey short REEDS the reeds on it were just beat to shit new reeds and it went fine |
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05-22-2008
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| i know this may sound stupid but i had the same problem went throgh about 3or4sprx plugs maybe the oil 2 rich does the plug come out black and we clead the air filter and it ran better than i got it |
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