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My old school PJS Super!

That 550 chamber will probaly hurt it a little. Those engines are 650/750 style engines. I'd try to sqeeze a 650 chamer in that hull. Should rock then . These engines were rated at 90hp , but that was with all aftermarket PJS stuff.

Yes! I have a 550 mod chamber. $30 and shipping.

Is it a reed cyl? If so it's most likely 700 (80mm bore 650 crank). It's an OK engine , I have one , comparable to a 750 Kaw. If it's a case reed Cyl it's most likely a 750 Super cyl and probaly has the name Jensen on it. If so RUN It! I have one of those too , it rips! If fact there will be no...

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For sale if anyone is intrested , $1700. PJS 700 Viper, Bad A** ported engine, Z-Force machine work,155 PSI pump gas! MRD Fuel Injection Coffman Pipe Carbon tech reeds speedwerx reed spacers ECWI Group K lightened Flywheel 83mm reduction nozzle chopped cone 11-17 Skat Two 500 GPH...

My wife gets up at 4 am and does it. She's on her 2nd week now and said she felt like throwing up.She says it kicks a. From what I gather it's basically a full body circut on mon,wed, fri, tue is cardio/kickboxing , thur pilates , streching.

Pics worth a thousand words.

Well I'll get lots of Negetives about this I'm sure. I just bolted a piece of fiberglassed re-enforced plywood on top of the rideplate with two strips of 1/4 steel. It worked GREAT. I think the guy who started the thread lives by me. If you ever launch at Winthrop Harbor IL. , PM me you can have...

I see cavitation.

I like it!

A non Factory pipe 750 manifold will throw the headpipe into hull.

Now that the heads off , whats the bore size? 79mm should be a 700 , bigger a 800 , both rated at 90hp. Assuming that the stroke is 74mm. I have pretty much the same engine top-end wise. A viper 9000 , 79mm bore , 74mm stroke but on a 550 style lower end. In a 650SX with a single 38 and...

Replaced the 9-17 skat impeller and stock reduction nozzle with a 11-19 skat and a nozzle bored to 82.5mm today. Scotch brighted and washed the pipe , installed a second 500gph bilge pump. The Mrd has hit a little snag on this engine. The PJS Viper motors use a nut to hold the flywheel on...

Heres the liquid nails repair and my glass job.

Heres a poor engine pic!

Heres some pics.Kenneth M Haley - DSC00139.JPG <NDL> <REPLICA 862566B9:004EF429> <VIEW OF5E502A1B:AAAF40CA-ON85256197:006C1A32> <NOTE OFA345DC63:A0B48365-ON8625729E:003BAA69> <HINT>CN=ABTAPN30/OU=MSVR/O=ABBOTT</HINT> <REM>Database 'Kenneth M Haley', View 'Inbox', Document...

Well after pulling the stock 650 out of the X2 yesterday I found out where my X2 hull needed fiberglass. The left chine has a fist sized spot that was crushed and repaired with some type of liquid nails type material. I ended up fiberglassig the entire bow from the back of the battery tray...

Whats the benifit of running the Yamaha chambers? Do they hit harder on the bottom or improve power? They look cool.

Not too much is better than a Ltd.701 for playing around. Ecwi works good on Kaws and works on your your next boat regardless of brand.