Search results

When we were racing Superstock (stock cranks) we would ensure our piston assembly (85.5mm) weighed as close to oem assembly as possible. Never knew If it helped at 7800 rpm but it was piece of mind.

I posted this in a thread and it shouldn’t be tied to that thread Curious to how the shops/people offering lightweight cut flywheels balance them? If anyone does. I’ve seen it done at a supplier of an oem equipment manufacturer and I doubt anyone on this site has that equipment, maybe a few...

Pm sent

Looking for Skat Swirl 144mm C75 (big hub) for a Yamaha, No solas No hookers (I have those) Any of these sizes or anything in-between 10/16 10/17 10/18 11/17 11/18 Please PM Thank you

Most if not all sidedrafts I ran were jets forward. Just like OEM Yamaha (800 and 1200) motors. Jet changes are not fun when jets forward.

Don’t actually know. Never seen it the other way until I saw it on the Yamaha 701 38mm twin carb. Never tried Big carbs like the oem 38’s. All other skis including the single carb yamahas have cable in rear or pumps to the outside. when I ran Kawasak’s I always ran sidedrafts. I’m...

If those are Mikuni purchase those are better carbs than stock No obstructions, 3 hole transitions, primer fitting and 12 degree plates

I made a few pipes: Sold a few pipes. Kept a couple. Yamaha and Kawasaki someone in South America bought the sxi stampings. I only got a couple sets of those.

I was there when they were stopping watercraft (15+ years ago). Watercraft was like a blister on the side of the sled shop. I bought all their stampings. No manifolds were available.

I found a bunch. Prices all over the map. $75-$300. Lol Then no PayPal Address given to actually buy it after they have messaged that they have one for x amount. I actually did buy one and dude has not shipped. His payal went overseas and he can’t access. So he won’t ship. I filed...

Bump

Bump

Wanted to buy speedwerx exhaust manifold riva made some too that were short like speedwerx message

I’ll let others chime in that own newer aftermarket cylinders: here is what I know and seen: Some dudes (few pros I know) use race port timing Some dudes use oem timing just wider ports Most of have no clue what they have it’s usually just similar to oem but wider These timing specs are about...

For sale: 61x cylinder setup as flattop 85.5mm bore Dimensions are approx with calipers Cylinder 114.5mm Exhaust port 36.7mm 187 degrees Transfer pet 54.3mm 121 degrees Exhaust port width 56.5mm Transfer bottoms raised up and all larger than oem Sleeve diameter at bottom 89.5mm (86.5 ok)...

Wiseco use to make 90mm pistons for this. They were custom. Back in mid 00’s many guys had gp1500’s. I had at least 5 or those pistons. groupk Still has 87mm also look at Polaris large bore sled pistons. the sledshop? Carl’s cycle too

Blaster stock pump shoes are different than superjets. They are longer. Most that break replace with superjet pump shoe. The back of a superjet grate won’t fit a blaster shoe and hence the front doesn’t line up either.

No

Sorry don’t have extra 33 same domes: watcon, umi, speedwerx, blowsion, Kommander, JSU, greater yamaha, wamilton, East coast, Protec, Rius racing, prodesign, savage, and others I forgot over the years.

I think I may have an extra set. Let me check today they are still available brand new from ProTec if you desire brand new (same dome).