Recent content by pepper22

Ocean Pro rideplate. The one with skegs at 60 degrees or so, (it had some 'runners' under it too, as I recall) it was not legal for closed course racing back in the day but it was great for carving. If your buddy has tons more 550 experience you won't beat him the first time. : (

what does the cage & needles look like for the piston pin? I think the cage cracked & the end of a needle bearing broke loose.

My pleasure crazy mike. The old semi-abused 550s tend to carbon/varnish up (I still have no idea what these people burn for 40:1 oil??) Anyhoo, once a piston ring sticks to the piston & no longer free floats you get that lop-sided cranking speed & difficult/impossible starts as well. Little...

Stuck piston ring.

Those side clearance dimensions may not be too far off, as I recall there is a complete dimension from outside counterweight to outside counterweight (as least there is for 440/550) so the crank is the proper total length as it sits in the cases. The crank builder may of had to set it up that...

The 650 with porting will probably fix that 'heaviness' I felt on a 650 conversion years ago. It had a Westcoast pipe & that was all. Only other tweaked 650 I rode was heavy on modifications & would rock on the V in the original 650SX hull as it gained speed. With a Rhaas pump conversion &...

Have a stock (except stainless 16 impeller) SC that does exactly the same. It would have to be the silicone at the pump perimeter, and greasing the driveshaft point at the bearing housing.(plus silicone at the bulkhead) The air is getting in there somehow. Mine needs reseal too & I need to veer...

Looks like a billet bodied Buckshot? Not cheap. About conversion skis, the 440/550 hull just seems so boggy with the bigger case/crank in it (650conversion long time ago) Nothing flies & bounces off waves/changes direction like a 550......I'd keep the sxi intact & mod the 440 hull/engine myself.

That pipe/K&N filter combo may require larger jets in the carb.... both for low & high speed circuits. Not a 750 person, someone here will know what jet #s to start with. at least it isn't seized !

all I got for a '85 440 rider is fall to the left, try to keep the fresh air snorkel dry. also, knee ride a bit to give the siphon bilge pressure to work with. Three minutes of that then back to drowning yourself...........

You can check the integrity of the coils on the stator at the bolt on cap at the Ebox, just unplug the connector once you unbolt the cap, green & green are the battery charge coil, the manual will tell you which wires run the other two coils, the other wires are red, black & gray. The coil...

There are four 'coils' in a JS 550, charging coil, for battery, charging coil, for ignition, & trigger coil, all three packed on stator plate. The fourth is in the E box, dual tower wasted spark CDI, each plug fires every time, once on combustion stroke, once on exhaust stroke. Check your...

no jetting required, the orifices were pre-drilled at the factory. low speed & high speed screws 1 turn out to start tuning.