[250Renvy]

Neil or anybody,

Are the LRD/ Sparks powervalve cylinders still available? Where can you get them?

I'm looking for an unported or low/midrange ported PRO-x 265 powervalve that uses the Rotax powervalve.

I know LA sleeve sells unported non-powervalve cylinders.

 

[C-Leigh Racing]

Neil or anybody,

Are the LRD/ Sparks powervalve cylinders still available? Where can you get them?

I'm looking for an unported or low/midrange ported PRO-x 265 powervalve that uses the Rotax powervalve.

I know LA sleeve sells unported non-powervalve cylinders.

I beleave awhile back I heard ESR wouldnt do a 265pv anymore but I'm not 100% sure about that.
I would need to check with LA Sleeve or CT to see if they would do one, but I got a feeling it would be a special run & then again may not be a problem.
The Rotax valve itself, may be a problem getting one of those new.
At one time, Rick on Mac Dizzy had all the part numbers to order for building the valve.
If someone knew a Bombadier or skidoo dealer, might not be a problem getting one from them.
Neil

 

[Michael88R]

Try calling LRD. See what they say.

 

[Witz]

I beleave awhile back I heard ESR wouldnt do a 265pv anymore but I'm not 100% sure about that.
I would need to check with LA Sleeve or CT to see if they would do one, but I got a feeling it would be a special run & then again may not be a problem.
The Rotax valve itself, may be a problem getting one of those new.
At one time, Rick on Mac Dizzy had all the part numbers to order for building the valve.
If someone knew a Bombadier or skidoo dealer, might not be a problem getting one from them.
Neil

Neil

The Rotax parts are easy to get. Somewhere in my archives I have the parts list that Arlen sent me when I had my LRD350PV built back in '01. It has all of the Bombardier part numbers needed to build the valve. If you'd like it, let me know and I can dig it up sometime.

 

[Michael88R]

I think a lot of people would like that list. I have a Can-am dealer here in town. They could order those parts right? Now the actual valve part of it is different for each bore size right? Is there one that is modified or is there several different ones?

 

[C-Leigh Racing]

Well now, if it aint one of the ol MacDizzites Witz. Just kinda floating around & pop in when your needed I see, thats good.
I'm glad you decided to re-register, welcome back.

Go ahead & post up those numbers if you would please.
I'd like to check with Bill & see if it would be ok or if he can put a sticky on things like this in the Ask C-Leigh forum, kinda help everybody out.
Neil

 

[Witz]

Well now, if it aint one of the ol MacDizzites Witz. Just kinda floating around & pop in when your needed I see, thats good.
I'm glad you decided to re-register, welcome back.

Go ahead & post up those numbers if you would please.
I'd like to check with Bill & see if it would be ok or if he can put a sticky on things like this in the Ask C-Leigh forum, kinda help everybody out.
Neil[/quote]


Yep, I'm still around from time to time. This time of year when the snow is on the ground I spend more time on the snowmobile or in the sled forums than on here. That'll change in about a month or so

I dug up what I had in my records from '01 when Arlan built my 350PV. Here is the list to build a complete Rotax powervalve assembly. Note that all the parts listed are originally for a 2000 Ski Doo Mach 1R, except the exhaust valve nut which is from a 2000 MXZ700.

420239048 - spring clamp for bellows
420838253 - lower bellows spring clamp
420239944 - spring
420241221 - power valve spring adjuster cap
420241236 - allen screws (need 2)
420250239 - gasket
420854267 - housing
420854449 - exhaust valve nut
420911552 - bellows cover
290838083 - cap holder clip (note: this is the clip that holds the cap on. I tapped the housing for M6 bolts and bolted the cap on instead of using the clip)
290260723 - bellows
420854307 - power valve (this is what works for the 350 bore. For my 265PV LRD machined their own guillotine valve)


Last time I built one of these it was around $200. Best place I have found to buy Ski Doo parts online is www.motorcitypowersport.com. My 265PV uses all the same parts except the valve itself.

 

[C-Leigh Racing]

I checked with CT today on the 265PV cylinders, Allen said he didnt know if he still had the casting molds for them but would check & see if he had any cast unmachined jugs put up. Said something about a test rack. Didnt know what that ment unless its a place where cylinders are just stacked up.
I guess from talking to him, the 265 pv cylinders were kinda put on the back burner a good while back because they wernt selling like the bigger bore ones.
Hes going to check & I'll call him back in a few days.


Thanks for those part numbers Witz.
Neil

 

[250Renvy]

Any updates? I know they are available used, but most don't have the porting I want.

Maybe you can help me out with some other info - If I found a used one that I liked, are the L.A. sleeve iron sleeves still available to resleeve it?

LRD takes a 265 and takes out the sleeve and nikasils it for their 300 pv, could a cylinder like that be resleeved into a 265?

Should I even be concerned about displacement or is it all in the porting to how much power and where the delivery is? This is for a woods/XC/trails machine so I don't want crazy power or lots of wheelspin.

Thanks Neil.
Guidance is always appreciated.

 

[Witz]

Any updates? I know they are available used, but most don't have the porting I want.

Maybe you can help me out with some other info - If I found a used one that I liked, are the L.A. sleeve iron sleeves still available to resleeve it?

LRD takes a 265 and takes out the sleeve and nikasils it for their 300 pv, could a cylinder like that be resleeved into a 265?

Should I even be concerned about displacement or is it all in the porting to how much power and where the delivery is? This is for a woods/XC/trails machine so I don't want crazy power or lots of wheelspin.

Thanks Neil.
Guidance is always appreciated.

I'll chime in with my 2 cents. If you're not going to be racing where you need to stay 250 class legal, then I would go with a 300cc or larger. From my experience, the 300cc size is the biggest bang for the buck. I had a CT310 non-pv for a while and I also had an LRD 300 resleeve, and both were easy to ride with more torque than a 250/265 has. The best part was that neither required case machining or worries about the trans or clutch.

No matter what bore size you go with, the most important thing is that the porting, pipe and carb all match each other.