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Can-am oil pump parts

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cheesy View Drop Down
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    Posted: 01 May 2020 at 12:05
Oil pump housing - 420211625 - £34 +vat
Oil pump shaft - 420220425 - £15.14 +vat
Rotor housing side - 420256671 - £29.99 +vat
Rotor engine side - 420256681 - £30.98 +vat

Pressure relief spring from early rsv
AP0239447 - £7.93 +vat
04 Tuono Fighter
1060 gen2 motor & some....
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IanG View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 12:16
That's pretty cheap Clap

Good luck with the spring though,I thought they were rarer than unicorn poo



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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 13:15
Originally posted by IanG IanG wrote:

Good luck with the spring though,I thought they were rarer than unicorn poo

If we know the spec, it can probably be bespoke purchased.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 18:17
True,that occurred to me afterwards,after all a spring is a spring

I wonder if anyone knows the spec for the proper original 1999 unit?   rather than the weaker 2001/3 that followed it.  Mind you that's a great improvement on the Gen2 version I hear.

I've seen all the part No's on Af1 somewhere and I'm wading through old posts trying to find all the info that Micah dug up years ago
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 20:45
That spring listed 447 is the later Gen1 and preferred option rather than the weak offering in the later units

The earlier spring has long been discontinued and ran considerably higher pressures in the early engines,around 120psi it seems.  Bet they were mechanically quieter

Anybody got a scrap early 1998 engine? 


Spring AP0239440 '98-'99
Spring AP0239447 '00 '01-'02 and '03 and IGen Tuono
Spring AP0239449 '4+ (IIgen RSV and Tuono)
Spring AP0239445 RSV SP

The piston is always the AP0256510     And this can vary quality wise as shown




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Post Options Post Options   Thanks (0) Thanks(0)   Quote Garin Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 21:51
Thanks for the Info Cheesy Thumbs Up

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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 22:18
Originally posted by IanG IanG wrote:

The piston is always the AP0256510     And this can vary quality wise as shown



I think the one on the right would be getting returned.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 22:22
LOL

Yes,but if that's what was fitted OEM Confused Ouch

They don't look very efficient in situ,doesn't even look like the body is de burred




None of these are my pics,all lifted from Micah S on Af1 .all rights etc...

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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 22:49
That's true, a bit scary and completely crap really.

How does something like that get out of a modern machine shop (And I do class the 90's as modern for this)?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 01 May 2020 at 23:12
Who knows,you'd think operator pride would demand they at least try to deburr.

I've never taken one apart but I assume the piston just butts up against the shaped ali housing?

Someone did modify their cases to accept a conventional valve seat pressed in and then put a full conical nose on the end of a standard piston so it would be a far better seal.

I'm pretty sure Micah found the standard pistons were off their seat by half way through the engines rev range so diminishing oil pressure

No wonder these engines sound like tractors
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