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Finally got the sj together yesterday, thanks to twisted shadows. If you guys can remember from my pervious post i ended up having to bore the cylinders over 1mm because of some metal getting eaten by my stock motor and damaging the cylinder. This time, i got all my parts from Jetmaniac...

hey guys, i just rebuilt my sj 701, i finally got the ski together, and i ran it on the hose for a few mins, it started up and ran good. A buddy of mine, tells me to check the comp, so i get out the auto zone comp tester and run a test. Front cylinder reads 152, and the rear reads 100...did i do...

I put my motor together and I cranked her over and she spins but when I check for spark I'm getting nothing. I took the spark plugs out, grounded one plug while in the boot to a non painted head bolt and I got nothing. Did the samething to the other one, same results. What should I start with...

Hey guys, just wanted to know if a 650 head can be run on a 701 without any issues? its in a sj

hey guys, tonight i finally got around to putting my stock 701 together. for my sj I got a wsm top end std kit with new gaskets. I honed my cylinders, painted all my parts. I put the cases together with the crank, and i installed the pistons with rings via the yamaha repair manual. I got the...

Am i the only one with the site coming out funny on my comp?

hey guys, as you all know i have a 2000 sj that i recently acquired. Well it did come with a oem cover, but due to all the sun in Fl...it was in pieces when i got it. i didn't want to spend 120+ dollars on a cover for the sj because im in the process of getting her running, so i started...

Hey guys, i have a 2000 sj, the motor was locked up. (I didnt find saltwater inside the case, it was dry except for my pb blaster that i sprayed down into the cylinders but it was locked up).I took the engine completely apart a week or so ago and I was able to free up the pistons and wrist...

I just picked up a 2000 sj, with a locked up 701 yesteday. Apparently the poor ski has been a salt water baby all its life and hasn't been taken care off. I started to disassemble her today, and the carbs were completely salt water corroded, i have them sitting in a bucket of white vinegar. I...

Hey guys, i just purchased a 1990 650 from some guy that didnt know what he was doing. I brought her home and yanked the 650 motor out. I checked compression before i took the motor off and i got 160, 155. I think my base gasket might be broken, i was looking around the base and i saw some oil...