[For sale superior sleeve 300 re sleeve full port fast!] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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For sale superior sleeve 300 re sleeve full port fast!
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Posted by: jhtrx250r

I am selling my superior sleeve 300 re sleeve motor or just the top end if that is all you want.
Here is a little more info:
cylinder was a stock 89, re sleeved to a 300 it has a fresh long rod piston 4hrs max 72.5mm bore has 2 bores left I was told.
I will put up pics showing the port work
The bottom end has flawless cases, good low hour gear set and clutch basket, new OE clutches and plates,New hot rod long rod crank, New bearings and seals apx 4hrs on the entire build.
(if your a local portlander the motor is still inthe quad and you can test it out if you like.)
pollished side cases with new water pump (rebuilt)
no stator
asking $1000 shipped (in the lower 48 of the US) for the motor add up all the parts and the work done and thats a deal.
I would sell just the top end for $375 with new gaskets
This motor dyned (I was told by previous owner) at 52hp at the rear wheels
My CPI 310 PV Dynoed at 53hp at the wheels and this one seems around the same, but pulls way harder than the CPi off the bottom.
It was ported for dunes/MX but I rode it in the woods and it worked great.

Posted by: jhtrx250r

cylinder porting

Posted by: jhtrx250r

more porting

Posted by: jhtrx250r

and more

Posted by: jhtrx250r

intake porting

Posted by: jhtrx250r

another

Posted by: jhtrx250r

I am selling all my spare motors, If anyone needs one.
here is what I have:
The superior sleeve 310 (in this post) $1000

A FTZ 265 (MX ported)fresh , NEW piston fresh 68.5mm bore it is a 89 cylinder on a 1987 bottom end good cases with fresh short rod crank (superior sleeve) all bearings seals and gaskets replaced. (this one dosent currently have a head on it I was going to get the dome re cut, I can have it done for what ever you want)
$800 shipped (lower 48)
A Pro-x 330 ported by DRI, new wossner piston 76.5mm
good 1986 cases, low hour hot rod crank,new bearings and seals
Good 1988 gear set, (currently no clutch basket or clutch side cover on it, I would recomend using a good one)
$1200 shipped lower 48

I will put up pics of the cylinders, I already have those on my computer but my camera is currently not working properly I should be able to get bottom end pics very soon

Posted by: jhtrx250r

330 cylinder pic

Posted by: jhtrx250r

330

Posted by: jhtrx250r

FTZ 265

Posted by: jhtrx250r

265

Posted by: jhtrx250r

more 265

Posted by: jhtrx250r

bump

Posted by: woodsracer144

is taht last 265 a OEM cyl? or a Nics?

Posted by: jhtrx250r

The 265 is a oem

Posted by: woodsracer144

you wanted 300 for that one?