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With Rad Dudes bedplate a Kawi motor will work . I just got done putting a Kawi Dasa motor in SJ hull .

Looking at the die i have here , M20 1.5 LH

I sold my FX1 back in 1995 so I cant say for sure how well a C4 will fit one . I have been running C4 on a SJ and SXR for a while . Each chamber is a little different . If i put the one thats in SXR in superjet the bracket is way off . Chamber has to be positioned so the flange is flush...

Its going to be a matter of clearing the gas tank . That X2 stinger mod will get the tube away from the tank . Then its a question of how the stinger location affects power , since it is a good bit further back on the chamber . Maybe a question for Frits overmars and wobbly .

Probably run ok , but more likely to hydro lock motor since any water in box will flow right back into chamber , due to inlet being on bottom .

Dasa has those pistons up to 86.5

Judge Motorsports

I've cut open a few dead Ballistics and one was easily repaired by resoldering broken connection . They were extremely stingy with solder at the Chinese factory. The cells are encased in silicone so wasn't able to get to the bottoms of cells , but re soldered all the top connections...

Maxima 927 at 32:1. Castor is the best.

Aluminum charging flywheels always end up cracking at the hub , right of the key way. Just not enough material there because of stator clearance. That's why charging has steel hub. MSD TL wheel is plenty thick at hub.

True Performance Cast Stroker. What more could you want with the right bolt ons and tuning.

Epic 2 ( HX 3 ) is still working well in my SuperJet . Will be a year old in October.

You need a dial bore guage to measure cylinder . Those pistons are smaller at the top due to expansion when warmed up . Thats why they rock in the bore . Get a micrometer and measure the skirt . There is your clearance .

Hope you used a ball hone ( flex hone ) If cylinder is not cleaned , the honing debris left behind will wear it out fast.

I've done them dry since the 80s. Oil on wrist pin bearing and ring groove. Piston dry. It's getting oil as soon as motor runs.

I've had lots of awesome GroupK motors over the years and more holeshots than I can count. It's up to the owner to install correct parts and tune it to its potential .

I noticed my 08 with destroyers will wobble on glassy water if cruising. Best way to stop it is get on the throttle and shred some turns.

Very well could be jetting. Water screw settings are dependent on to many variables to take setting from one ski to another . Water temp , water pressure , water routing etc. Colder the water the less you need going through the hole.

I think I saw you on the Zuma forum a while back when I was building a big bore .

Cylinder does have some similarities to the Aprillia 250 Honda killer . The two guys that developed it , Jan Theil and Frits Overmars are on forums telling everything about it . www.Pit-lane.biz/t117-gp125-all-that-you-wanted-to-know-onpaprika-rsa-125 That is a french forum but most of the...