I wanna know.. is it a good idea to do port work on a vitos 240 big bore kit??? And any suggestions on who does the best porting??? THANX
Port work
- Thread starter InfamousBlaster
- Start date
yes you can port a bbk....no need for the extra thread tho
everyone has there own opinion about builders...talk to a few and go from there
everyone has there own opinion about builders...talk to a few and go from there
Ok.. kool.. thanx and do those +3 cranks really make a difference?.. well how big of a difference?
you can also buy a powerband to get you an extra 20hp lol jk.i tihnk the stroker crank give more torque.someone will corect me if im wrong.im not to sure on this
Yea I herd that too... I herd it gives about 5hp more.. but I jus wanna know will I feel the difference and is it worth it..?
yes it is well worth it...real snappy throttle response and alot more torque.....if u do go with the +3 crank it needs to be ported to match up port timings because of the longer stroke.....but a big improvement.......go for it
Vito's +3mm Stroker Crank for all years Yamaha Blaster YFS200. Comes with stuffer blocks to decrease crankcase volume for super response. Comes with stroker plate, wrist pin bearing, and spacer plate. Adds 4 plus horsepower and throttle responce galore.
3 mm stroker crankshaft does not require machine shop work, but may need some hand grinding at the top of cases for rod clearance because the factory castings have variations and they will move the crankshaft centerline around to compensate. So engine mockup should be done to check before final assembly with at least one case half with piston on rod and in the cylinder with the supplied spacer plate,rotating to check clearance.
3 mm stroker crankshaft does not require machine shop work, but may need some hand grinding at the top of cases for rod clearance because the factory castings have variations and they will move the crankshaft centerline around to compensate. So engine mockup should be done to check before final assembly with at least one case half with piston on rod and in the cylinder with the supplied spacer plate,rotating to check clearance.
lol where have i seen that exact write up....hmmm.....oh thats right......its straight off the vitos site and crank box lol...j/p bro
sound like a vitos salesman yb lol
I will post up some dyno runs and info that I have learned. I will post it up Thursday
I got some great info to show
Thanks
I got some great info to show
Thanks
The stroker crank adds midrange torque and allows for slightly more aggressive porting without having a "peaky" feel to the power curve. The stroker will if ported correctly broaden the power band and add power everywhere.
who worse than straight from the maker to be honest. I'm not saying the stroker is bad at all, infact a very good mod. But I'm sure even if it were junk Vito's would try to make it sound like the best thing since sliced bread. But I'm not going to agree with Vito's claimed gains from their products.
Wildcard, As a web designer, I've got to say you've got a really nice site. You just need to finish it.
I have to agree with Wildcard on this one but, I will add that there are some builders out there that I will not agree on what they are claiming also.
