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Hi guys i've posted before about having a problem at WOT. It just won't clean out and bogs and splutters. i'm running the stock carby in a 140xr pitpro with a uni filter and a 105 main jet. the bike runs SWEET 3/4 throttle and below but after 3/4 its absolute shit. i checked what...

Hi guys i'm still having trouble with my pitpro 140xr at WOT. pretty much 3/4 throttle and below is perfect, then going past that from 3/4 to WOT and the bike splutters and bogs, it doesn't die though, just won't accelerate anymore...like it's getting too much fuel and not enough air. i had...

Hi i've got an 08 pitpro with a uni filter and a 102.5 main jet on the stock carby (30mm mikuni). the bottom end and midrange is awesome, but as soon as you open it to WOT it bogs and splutters and doesn't clean out. i've heard heaps of people talking about adjusting the e-clip but i...

gday, i've got an 08 pitpro with unifilter & 105 main jet. its always taking so long to start the bike and i don't know why that is. could it be the valve clearances? i've only ridden it about 10hours all up since buying it new. it will take so many kicks to start, whether full choke or...

I've got an 08 pitpro 140xr. everything's stock apart from a unifilter and 105 main jet. It starts when it's cold after a few kicks and full choke but after riding it for a while with the engine warm/hot it's hard to start again. I have to empty the fuel from the carby every time to get...

Hey guys I’ve got an ’08 pitpro 140xr and I’m going to buy a bigger main jet for my carby (stock 30mm mikuni). I want to buy a 102.5 and 105 main jet, but don’t know what brand to ask for? I’ve read in similar posts that mikuni and keihin have totally different sizes and I don’t want to...

Hey guys I’ve been running my new bike in recently (pitpro 140xr) and it’s been running sweet as…until the motor starts to get warm/hot and begins to splutter and lose power from ½ throttle onwards. It’s especially predominant when going flat out in 3rd and 4th gear. I’ve read through...

gday guys i just bought an 08 140xr, put it together and tried starting it. it started on about the 3rd kick with full choke. i left it running on full choke for a few minutes and then notched it down to middle level choke...still running fine. then i tried to run it with no choke...