boring the carb

92blaster

New Member
Jan 18, 2009
1,111
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Red Wing, MN
ok kind of thinking of boring my stock carb running on a budget and all my racer friends have told me to stay away from keihin idk why never asked but will i see any HP gains or is it just another thing companys tell you that make HP and if these dont make a thing why do companys bore the carbs
 
The best thing that you could do is not listen to your friends and go out and buy yourself a 35mm keihin airstryker
 
35 is a little big for a stock bore/stroke blaster IMO, unless you're looking towards a drag port. As far as boring your stock carb, the power gains aren't going to be extremely impressive but there is some power to be had there. The stock 26mm is restrictive. You can have it bored to 27.5mm max. I've seen a lot of people try to get 28mm out of them, but that cuts into the slide bore and makes tuning a nightmare with the airflow past the slide that doesn't pull fuel. I hope that all made sense.
 
ok so it would be better to spend the extra 40 bucks and grab a 32mm Mikuni and if thats true which model should i get the VM series or the TM/TMX flat valve. im not gonna buy no keihin carb
 
well....your racer friends are wrong ,id get a keihin Dslide 30mm ..even the 35mm pwk has worked well on alot of ported 200 ive done in the past ,you may give up some lowend response though
 
id rather get more low end mine seems to lag alittle bit there i like mine all around since mine seems to kick you pretty good top end but id rather have a low end. why does everybody like Keihin so much? i have one on my mini quad and i dont really fell the difference in mine to my friends mini with a mikuni
 
idk, but i know that most aftermarket carbs i've seen on blaster are the kehins
 
ya i know idk why. but i like my blaster being different from everyone elses so i rather run a mikuni just because you dont here people using them anybody out there running a mikuni carb on there blaster if so what size mm and what style and if you like yours or not