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#cylinder #piston #rebuild 2012 450 450 sx 450 xc 450sx 450xc 505 505 sx 505sx 525 525 xc 525xc 570 a arms akrapovic atv brake bridge buy carb carburetor convert edb to pst dasa drag racing edb recovery edb to pst edb to pst converter electrical elka engine engine help engine noise engine problems exhaust fci fenders fmf for sale fox frame front gsxr1000 hiper hmf idle ignition intake jetting ktm ktm 450 525 xc ktm ktm 450sx atv ktm 450xc ktm 505sx atv ktm 525 ktm 525 xc ktm atv ktm xc mods motocross motor motor swap new atv new old stock office 365 backup oil change oregon outlook pst repair tool parts pep piston plastic plastics plates problem pst repair tool quad quickbooks recovery racing recover quickbooks repair setup shocks slip-on stabilizer starter starting steering street bike supermoto suspension sxf thumper tires wanted washington wheels white plastics xc atv
  1. XC Dyno/Tuning
    Just got my quad off the dyno and I'm kinda bumed at the power it made. Ended up pulling 52.66HP and 35.58TQ. I have pretty much all the supporting mods. Its a thumper racing 570 with their trail port job and stock sized kibble white valves, 833 cam, 43mm Carb. FCI intake. Hi-flow water pump...
    570 horsepower jetting thumper weak
  2. XC Engine/Carb/Drivetrain
    Hey guys, I just got done installing the thumper racing 570 kit. The carb went to sredrum and made into a 43mm. My problem now is that when trying to fire this beast the first rotation makes a good spark at the plug but every other stroke is very weak at best. The plug is new, so I thought it...
    570 fire spark thumper
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