rambo Posted March 16, 2009 Report Share Posted March 16, 2009 (edited) ok guys new guy here second shee first i did a total rebuild an got to finally assembly an sold it due to lack of funds.. but i jus traded a 99 scrambler 400 4x4 for a 01 shee fmf narlys an power core's jetted..both carbs same jets an metering rod height in both... an a k&n clamp on... so got it an he had it rebuilt an fired once an the left cyl popped..3-4 times shut it off.. so today like a mad man got around n gathered a tors eliminator kit up piece by piece.. got it all on fired up still pops.. so got to checking it out my right cylinder runs like a mother f*cker but my left cylinder is only firing occasionally... i think,, it pops takes off when it does n dies out,, right pipe blowing constant warm pressure..left side blowed but not alot of pressure like the right.. tried swapping plugs cylinder to cylinder.. same thing still... an both have good compression what my issues ? Edited March 16, 2009 by rambo Quote Link to comment Share on other sites More sharing options...
blowit Posted March 16, 2009 Report Share Posted March 16, 2009 (edited) ok guys new guy here second shee first i did a total rebuild an got to finally assembly an sold it due to lack of funds.. but i jus traded a 99 scrambler 400 4x4 for a 01 shee fmf narlys an power core's jetted..both carbs same jets an metering rod height in both... an a k&n clamp on... so got it an he had it rebuilt an fired once an the left cyl popped..3-4 times shut it off.. so today like a mad man got around n gathered a tors eliminator kit up piece by piece.. got it all on fired up still pops.. so got to checking it out my right cylinder runs like a mother f*cker but my left cylinder is only firing occasionally... i think,, it pops takes off when it does n dies out,, right pipe blowing constant warm pressure..left side blowed but not alot of pressure like the right.. tried swapping plugs cylinder to cylinder.. same thing still... an both have good compression what my issues ? Carb slide sync or LH pilot jet in carb. One of those. brandon Edited March 16, 2009 by blowit Quote Link to comment Share on other sites More sharing options...
rambo Posted March 17, 2009 Author Report Share Posted March 17, 2009 well i syncd the carbs on the bench.. bc i swapped cable an eveything plus a twisty...yes i love twist throttle's lol... so bought a new set of plugs tonight slapped them in runs like a raped ape 1/2 to wide open... let it drop below half acts up an only runs one cylinder again... when i was buying the plugs...the guy has raced for yrs an biult many many motors..said the clutch side of the motor being left side should be one jet size smaller bc it runs cooler then the magneto side..this true? but also what jetts should i be running ? im at 15424 pa.. dont go any other place to ride really.. i forget the elevation exactly im thinkin its like 2000 ft above sea level... what jets should i be running with the gnarly pipes an a K&N ? Quote Link to comment Share on other sites More sharing options...
shee4speed Posted March 17, 2009 Report Share Posted March 17, 2009 make sure you run the same jets in both carbs.... what jets you running now? Quote Link to comment Share on other sites More sharing options...
wvelectrician Posted March 17, 2009 Report Share Posted March 17, 2009 make sure you run the same jets in both carbs.... what jets you running now? i had a simalir prob it was the gasket in front of the boot that was going in the cylinder it was leaking air Quote Link to comment Share on other sites More sharing options...
rambo Posted March 17, 2009 Author Report Share Posted March 17, 2009 make sure you run the same jets in both carbs.... what jets you running now? that wat i thought till i was told that tonight.. n um 260 mains i think... im gona pull them all tomorrow an buy a jet kit... an jett it.. but idk wat to jet these gnarly pipes with at my elevation ? an im gona pull them tomorrow an see if they are good or not probly...wish i had the had the money id jus swap a set of reed valves in as well Quote Link to comment Share on other sites More sharing options...
rambo Posted March 17, 2009 Author Report Share Posted March 17, 2009 that wat i thought till i was told that tonight.. n um 260 mains i think... im gona pull them all tomorrow an buy a jet kit... an jett it.. but idk wat to jet these gnarly pipes with at my elevation ? an im gona pull them tomorrow an see if they are good or not probly...wish i had the had the money id jus swap a set of reed valves in as well i got it figured out runs fine now very very healthy...for a stock shee... Quote Link to comment Share on other sites More sharing options...
mun2frio Posted March 18, 2009 Report Share Posted March 18, 2009 i got it figured out runs fine now very very healthy...for a stock shee... So what was the problem? Quote Link to comment Share on other sites More sharing options...
rambo Posted March 18, 2009 Author Report Share Posted March 18, 2009 um the left carb needle seat had a bunch of junk in it i think contributed to the prob.. but the hose connecting the carbs wasnt there...thats what i've came up with... runs good enough now i can litterly make it jump off the ground an almost do a back flip lol... flipped complely upside down an landed on the left front rim packed the bead with gravel an dirt... so with practice i think i can do flips...lol but i anit gona try it at alllll lol ever again.... has a shorten swing arm ive found out.. slapped a stocker on it tonight tho...help the issue a lil now to fix the rear half of the frame an a-arm... Quote Link to comment Share on other sites More sharing options...
rambo Posted March 20, 2009 Author Report Share Posted March 20, 2009 ok left cylinder is back on its shit... 124 n 125 lbs compression... same jets carbs cleaned like btr then new... syncd like idk wat.. cant tell a diff in them.. perfect sync.. cross tube hooked plugs new... 260 mains 30 pilots 3rd clip... fmf gnarlys k&n air wiseco top end.. stock reeds an valves.... idk what the prob is ???? Quote Link to comment Share on other sites More sharing options...
rambo Posted March 21, 2009 Author Report Share Posted March 21, 2009 Any1 gona help ??? because ive tried all i can think of but gettin no suggestions from you guys Quote Link to comment Share on other sites More sharing options...
shee4speed Posted March 21, 2009 Report Share Posted March 21, 2009 Any1 gona help ??? because ive tried all i can think of but gettin no suggestions from you guys running out of gas.try reserve! Quote Link to comment Share on other sites More sharing options...
rambo Posted March 21, 2009 Author Report Share Posted March 21, 2009 running out of gas.try reserve! full tank lol Quote Link to comment Share on other sites More sharing options...
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