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Fired ski up tonight after finishing the build, front carb is completely fine, rear is spewing fuel at idle and throughout rpm range. The motor is a 927, and they are notorious for shaking the fuel out, but the front carb is completely fine. Full spec 48’s, brand new 1.8 n/s, pop off set at...

Yamaha 650 lower end, no rod play up and down, minimal play side to side. no idea how many hours are on the crank. cases were split, bearings inspected on crank and Smooth, sealed with three bond. Fresh crank seals. Coupler included. everything in pic included, fresh gaskets on intake manifold...

Can ANYONE cut the domes in this gp800 head for me and have it back before the 28th at the latest? I can’t find anyone on such short notice Pic related exact not head but same thing Will pay good money.

Looking for two riva gas valves, just the valves if anyone has a set

Can anyone help clear me up on how exactly to measure exhaust port duration on a PV motor (PV closed). I can’t find anything under search function. Seems like a dumb question but, unless my power valves are way to far from the piston, it seems exhaust gas could escape downward out underneath the...

Recently finished up a project YZ490 conversion on a Yamaha blaster frame and I’m having a very peculiar issue. Thing does NOT like to start, I’m talking if it’s cold you have to pop stsrt it for the better half of 20 minutes. Issue being that the carb is dumping fuel into manifold whenever I...

On the second week of my ski being lost in a lake, have had guys sonar jusr about half of the lake now. I’m pretty positive when they sink they sink, but a lot of dudes are thinking it’s suspended. Anyone have any experience with sinking skis? Lol

Hey guys, just recently installed my TL system on a new motor and my timing light is telling me my front cylinder is firing at 30* adv and my back at 27* adv ...with a non-adjustable pickup plate. Am I missing something here? Timing light maybe off?

Resolved.

Looking for a 701 style pickup plate and a flywheel for a MSD TL

Anyone got one lying around for sale?

Friend of ours gp760 less than an hour after they bought it

Up for sale is my Frankenstein motor Wdk crank case with light porting and matching -Gp800 crank that’s stroked 5mm From crank works, less than 10 hours on it since fresh bearings. -87mm gp800 cylinders that have been beautifully ported, previous owner couldn’t tell me who did it -87mm weisco...

Finally getting out of Tl systems and have tons of parts and brains laying around that need to go I know buying used ignition parts is sketchy, which is why everything will be listed low and I will record bench testing videos of each brain firing plugs. Some units are missing connectors and the...

Need a blaster one drive shaft to use in a blaster 2 1100 5” setback motor build Let me know what you got and price!!

Completely stumped on this one Had my 66e 1050 at the lake last week Starter takes a dump Bring it home, replace starter Notice one of my veins is snapped Assemble new stator and replace in ski with a oem prop spacer this time (none prior) Get it out to the lake Next week and the ski is running...

Looking for a 155 8/16 thin blade swirl or something similar, let me know what you got!!!!

Trying to get a ballpark on pitch before I go buying props and sending them out several times Anyone running a 155 mag on a 1000/1100 cc build? I know a lot more than that goes into it so don’t give me the lecture!! Lol I’m sure there’s about a 100 other threads on this too but I don’t want to...

Anyone know if the tnt v2/3 manifold fits the bolt pattern for gp800 cylinders? Anyone got measurements on the chamber? or a link to the info please! Thanks guys!

Running a re-sleeved 1050 gp800 motor on a 5mm stroke for the past 2 years and have noticed that occasionally the motor would hydro lock for a brief few cranks than clear up and run again. This season after a complete tear down and rebuild with fresh gaskets I get it out in the water and it’s...