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If there is no record of the supercharger being rebuilt get it done ASAP, the kits are 2 years or 200 hrs and the collateral damage if it fails will cost a lot more than the cost of a supercharger...

I would use the head you have then there's no problems with mixing and matching. Get new valves and valve seals from the GH store then have a reputable machine shop check the valve seats, guides and...

What a mess !

Engine needs to be stripped down to clean out all the debris so you might as well freshen it up while it's apart.

I like working on mechanical things and do all my own work, I would not have a DI model if it was given to me. If you can't find a decent used 4tec model I would take the SPX models because you can...

Restoration complete.

Winter project is a restoration on this, 1983 Yamaha RZ350K. It's now stripped to the bare frame which is getting sand blasted and powder coated the original factory red.
...

Carbon ring probably overheated and is now damaged this needs to be checked before the next ride or it could take on water and sink the ski.

I was thinking the same thing will this fit the older S3 hull without too much modification ? I would guess the engine needs to be removed to get the tank into the hull the hole for the front...

116KW = 155HP the pics are not the best, I don't see a supercharger so I would guess these are the 155HP non supercharged models. Clean them up, change the fluids and spark plugs check the pump for...

What's the battery voltage when the ski is running ?

Have you checked the alternator connector near the throttle body these like to overheat.

I think it was just under 8300rpm it's been a while since I have focused on speed runs. My speed numbers are from a Garmin GPS not the dash display which is optimistic by a few mph.

I have the Maptuner X with the 8350 tune and a Solas 15/20 that will get me 73 maybe 74mph on a cool day. I did titanium retainers and upgraded flywheel bolts as insurance the rest of the ski is...

There are two separate cooling systems one for the engine block and one for the intercooler and exhaust system. If the engine is overheating then the list above applies. If the exhaust is...

Lumber, sheet rubber and bolts. Air pressure was applied through the thermostat housing.

If you look at the two valve guide pics you can see the crack on the machined surface, third pic top right...

Check the three pin connector with yellow wires at the rear of the engine close to the throttle body these can corrode over time. This is the three phase AC output from the stator to the voltage...

The cost of a chain and a bit more time at this stage is cheap insurance vs a broken chain and all the collateral damage later. You're this far in it's not a lot more work to replace the chain.

Most of the riders in the local jet ski community were present yesterday at Les' celebration of life.

Mario did a tribute video with Les in action over the last few years.

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No need to transfer just download it directly from the Candoo website.

http://www.candoopro.com/candooinstall/CanDooPro.msi

Have you checked the wiring connector for the alternator output near the rear of the block ? It likes to melt sometimes.

I see you're in Vancouver do you ride with Les and the Ladner group ?

I can lift the tongue without too much trouble I would rather it be heavy than light it tows nicely so tongue weight seems to...

I bought one last year.

I tried to get a Triton short story is the local dealer wasn't interested in selling me a new Triton so I had the Karavan dealer order me their new aluminum PWC model...

Depending on your torque wrench the feel or click when it reaches the set torque on low settings can be almost un noticeable.

The Rotax lettering on the valve cover was actually a piece of plastic that clipped onto studs in the four empty holes in your pic, BRP stopped putting this piece on the newer skis.

The water...

I was concerned about the access hatches leaking and water dripping over the components especially since I ride mainly salt. I had some sheets of PVC that are used to make custom showers so I draped...

A 17 tooth gear will not fit in a 215/255/260 engine it physically will not mesh with the flywheel teeth so
it cannot be used accidently.