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| Mechanics Corner Looking for answers to mechanical questions? Just can't get it to run right? Got a tip for increasing HP? This is your forum! |
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09-24-2008, 01:11 PM
| #1 (permalink) |
| Newbie Join Date: Sep 2008
Posts: 2
|  Weird Kawasaki H2 Questions
Hello all, this is my first post here I found this forum through google of all places. The only motorcycle I have is a 1972 Kawasaki MT 75, but that is not the subject of this post. I have an interesting problem, a couple weeks ago I bought a Kawasaki JS400. Doesnt ring any bells? Thats probably because it is a jet ski, a 400cc stand up jet ski. The ski had a stuck ring on one of the pistons. I thought it was a stock 400cc piston, but I was wrong. The pistons are 70.35mm, and that is much bigger than the stock 65mm bore on the 400 engine, but it is a bigger than the stock 440 bore also. Someone mentioned that "back in the day" one of the popular mods for this engine was to put Kawasaki H2 motorcycle pistons into this engine. I dont know if anyone can help me on this or not, but does anyone know what the piston size is for an H2? The pistons that are in my engine have 2 rings each, and look like normal pistons. Also apparently wiesco made a "big bore" kit for this engine, I will be calling or emailng them later today to see if maybe that is what I have. Thanks in advance for the help  |
