BigLoad76@yahoo.com

So if i were to buy this set from this guy on e bay,
http://cgi.ebay.com/ebaymotors/KAW-5...rcraftQ5fParts

Then buy an '80's 550 cylinder, i would be good to go with switching the 550 top onto my 89 440. I heard something about opening up the case or something but I'm not too sure where i saw it. would i have to do anything else. I already have a 550 head and wc pipe. i would need a new carb probably. What else? Thanks in advance.

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'96 Kawi 750 STS (primer kits) sold
'89 Kawi JS 440 (Mariner head, WestCoast pipe, PJS exhaust manifold, Jetnet F/A, RCJS Tri In-Grate, Ocean PRO plate, 4-to-7 bars, UMI F- throttle, Rule 360 bilge) sold
'89 Kawi X2 650 (bored to 680, Mariner head, p/p In-mani, Westcoast pipe and mani, B2B box, bilge, closed f-door, rear exhaust, dual carbs, primer, JSport plate, PJS grate) sold
'79 Cobalt 351 Windsor Needs engine trim work


-Big

bkoche

I have cylinders for you that are std bore and in decent shape, need a light hone. Its funny because the pic on that listing is a superjet top end. Your 440 carb and manifold are the same. Im not sure about clearencing the cases though. The pistons and rings that go with the cylinder should be good too and I do have an extra 550 head gasket. LMK

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2004 SXR - FPP Wetpipe, Blowsion railcaps, 4deg bars, billet clamps
1994 750sx - Loaded -FOR SALE
1983 JS550 - WC RC520 reed cylinder, WC Head, PJS WB, Dual 38SBNs, WC 750 reed stuffers, WC Stacks, WC 6.5gal tank, FPP Halfpipe, SBT High torque starter, 16.5 Skat, Blueprinted 440 pump, lightened driveshaft, 76mm OP nozzle, Jetsport bulkhead brace, 90wt mod, WC scoop, Rend plate, Rear exhaust, Carbon Fiber

1991 Honda CB750
1976 Suzuki RE5A
1976 Suzuki GT750A
1975 Suzuki GT550M

attnondeck

yeah that gasket kit is NOT for a 550

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Brendan

1990 SN SJ 701 1990 SN Super Jet 650 Winter build
1989 js550
1990 550SX
1990 300SX

live2ride

^ Thats a yami gasket kit.

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MrSki

The piston port cylinder stud spacing cases are the same for 440 and 550. Only 550 reed cases are different.

Opening up means to open up the counterbore in the top of the case by removing the material up to the edge of the OEM chamfer. It's about 1 mm more all the way around. This is only required with 76mm or bigger pistons. It doesn't mater at all for 440 cylinders (68mm).

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1995 PJS VHP7000, stock but darn fun.
1992 550 SX - R&R port Kawi Reed, Kind of fast.
1989 JS 550 - PJS motor Dual 46's, 50 MPH on GPS.
1986 JS 550 - Pile of parts at the moment.
1976 JS 400 - Pretty much just a shell.

BigLoad76@yahoo.com

What size are the stock pp 550 cylinders? Also, is it critical to use a shaft reinforcement when keeping the 440 pump with the 550 top?

__________________
'96 Kawi 750 STS (primer kits) sold
'89 Kawi JS 440 (Mariner head, WestCoast pipe, PJS exhaust manifold, Jetnet F/A, RCJS Tri In-Grate, Ocean PRO plate, 4-to-7 bars, UMI F- throttle, Rule 360 bilge) sold
'89 Kawi X2 650 (bored to 680, Mariner head, p/p In-mani, Westcoast pipe and mani, B2B box, bilge, closed f-door, rear exhaust, dual carbs, primer, JSport plate, PJS grate) sold
'79 Cobalt 351 Windsor Needs engine trim work


-Big

BigLoad76@yahoo.com

how much are you willing to let them go for?

__________________
'96 Kawi 750 STS (primer kits) sold
'89 Kawi JS 440 (Mariner head, WestCoast pipe, PJS exhaust manifold, Jetnet F/A, RCJS Tri In-Grate, Ocean PRO plate, 4-to-7 bars, UMI F- throttle, Rule 360 bilge) sold
'89 Kawi X2 650 (bored to 680, Mariner head, p/p In-mani, Westcoast pipe and mani, B2B box, bilge, closed f-door, rear exhaust, dual carbs, primer, JSport plate, PJS grate) sold
'79 Cobalt 351 Windsor Needs engine trim work


-Big

BigLoad76@yahoo.com

HA! I knew I've asked this before! I found all my answers on a previous post I threw up. Stock bore on a 550 is 75mm. Yes, I do need reinforce the bulkhead. Mr. Ski actually filled me in last time I asked. Thanks guys.

List:
-550 cylinders.
-pistons, rings, etc...
-gaskets,
-hull reinforcement.
Am i forgetting anything?

__________________
'96 Kawi 750 STS (primer kits) sold
'89 Kawi JS 440 (Mariner head, WestCoast pipe, PJS exhaust manifold, Jetnet F/A, RCJS Tri In-Grate, Ocean PRO plate, 4-to-7 bars, UMI F- throttle, Rule 360 bilge) sold
'89 Kawi X2 650 (bored to 680, Mariner head, p/p In-mani, Westcoast pipe and mani, B2B box, bilge, closed f-door, rear exhaust, dual carbs, primer, JSport plate, PJS grate) sold
'79 Cobalt 351 Windsor Needs engine trim work


-Big