Check the stud holes JP. The early ones were too small. They said they fixed that but I don't believe I've heard from anyone that's bought one since.
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750 "big bore" kits
- Thread starter oberling
- Start date
Check the stud holes JP. The early ones were too small. They said they fixed that but I don't believe I've heard from anyone that's bought one since.
rut-row
That one didn't get fixed. The stud holes should be 12mm.
It's not hard to drill them out, even I managed to do it.
I couldn't remember what I drilled mine to so I just checked.... 10.62mm.
After I drilled it I set it down on a case. Slid off and on nice an' easy.
After I drilled it I set it down on a case. Slid off and on nice an' easy.
Yup, - what he said ^ - I think they just need to be a little bigger than 10mm.
I ran a 10.5mm reamer through mine.
No problem installing.
You should be fine.
I ran a 10.5mm reamer through mine.
No problem installing.
You should be fine.
Factory is 12mm that's what I drilled mine to.
If smaller works it works.
If smaller works it works.
I've started the rehab, I need to restart it.While you're here.......please either start the rehab on that Hurricane or something - I'm too easily tempted......
Does the engine have to be changed? Does it have to be rephased or can it be installed like just a set of new jugs and rings? Something like that?
Pretty straight forward bolt n run. Be sure to measure piston clearance, check ring end gaps.
Im contemplating buying one of these kits to squirrel away for future use, kinda like the Shell #1 cam I just bought from Gary Hoos before he runs out of them.
Any idea how these kits do with VM34's, Shell #1 Cam and larger pipes with torque inserts?
Any idea how these kits do with VM34's, Shell #1 Cam and larger pipes with torque inserts?
You might want to talk to Gary or Roger at R&D Cycle (contact info on Gary's website)
Wilsonsk
XS650 Addict
I see this it on 2 different sites...
https://yamahaxs650.com/product/447-big-bore-kit-80mm-750cc/
https://xs650direct.com/products?make=22&year=17&model=128&search_query=big+bore
Any thoughts on the difference in price? I close to pulling the trigger, obviously the $450 version looks better at the surface, am I missing something?
https://yamahaxs650.com/product/447-big-bore-kit-80mm-750cc/
https://xs650direct.com/products?make=22&year=17&model=128&search_query=big+bore
Any thoughts on the difference in price? I close to pulling the trigger, obviously the $450 version looks better at the surface, am I missing something?
It was free shipping when I bought one.
Wilsonsk
XS650 Addict
I saw the same thing, I just wanted to make sure there wasn't something different or wrong with the $157 less version, or would I be getting something for my $157 if I were to order the more expensive, looks like the same kit to me as well. Just wanted to confirm.
This is the exact combination I'm putting together right now. 750 kit with Wiseco pistons, ported (by me so nothing extreme!) head, Smedspeed valves & springs. Currently waiting for the cam to arrive.
I'm aiming for a bit more at the bottom and middle. Currently agonising over what jetting I should start with as Dick Russell's baseline is quite different from the setup of the carbs as delivered! Smedspeed say it might be a bit lean and maybe go up one on the pilots, which I think I'll do. I feel fun and games ahead.
