04-15-2013, 08:07 PM #1
- Join Date
- Apr 2013
1997 GP1200 Updates.... Just bought and need opinions??
I just bought this 1997 GP1200 and the previous owner updated and rebuilt motor with the following...
WISECO PISTONS,WISECO HOT RODS AND CRANKSHFT
CYLINDER BORE TO 85.5
WATERBOX MODIFIED AND SHORTENED 3 INCHES
CARBS REJETTED MAIN 2.5 AND ONE SIZE UP ON LOWER
COMPRESSION IS 140 138 138
The local Yamaha dealer says it is a fast Buoy ski???? Would not be good for trips out on the lake for long periods???
04-16-2013, 06:38 AM #2
From the blue graphics below the rub rail, it looks like a 98 hull with the Red 97 seats, hood, cowl. Looks like really nice ski. It should be fine to take out for long lake trips. one thing you need to know, you should warm the engine up for a few minutes with Wiseco pistons (or any pistons for that matter) before hammering on it WOT. The Wiseco's have a different expansion and contraction rate when compared to some other pistons so most around here recommend you warm it up nicely before hammering on it so you don't stick a piston.
04-16-2013, 03:07 PM #3
- Join Date
- Aug 2009
- LI, NY
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