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my digital verniers must be wrong then i may run different pistons in my ski will save me having to port the cylinder in the future good information thanks for that any idea on how to get rid of the 3.8mm of extra squish clearance

its nothing to do with the piston height its about the rod length and stroke this is why every time you get software to convert degrees into mm of bore travel they only ask for rod length and stroke http://john.rushworth.com/Pics/Piston/index.html have a look a this link The choice of piston...

yes but you still have to take the piston up the bore The flat top having a 3.8mm higher pin height doesnt mean your pistons will not come out the top trying to get the porting heights right It means you can have a shorter engine but because the piston sits lower in the cylinder it opens the...

its not the size of the cylinder its the port timing it gets advanced the longer the stroke is You can only go so far out the top , if you go to far the ring will pop out

OK you can get port timing right of a 5mm but it gets crazy when you do it off a 6mm and above

On another note looking at the crank pin thats welded it doenst seem to be to offset to the casting are you sure its a 7mm stroke crank ???

Im using kawasaki pistons on my 8mm stroke lamey as well

Well the std cylinder is an open deck and the sleeves move around a bit this is why the lamey cylinder bridges them together and the to the side of the casting as well It will work but its no ideal I would be interested to see your port timing as well on a 7mm stroke crank with a stock...

Thats alana. A mates chick i reckon he may have something to say about it Ha Ha

When people say years young it make me think they are sad to be getting older Can never figure it out oh and 40 years old here

until the tiny tac stuffs out because of the total loss i have had this happen before

The reAson that the stroker is better is because the port time area on a square bore / stroke is better. This is why every high performance two stroke engine gas a square / bore ratio Of course this is not always possible when you are going for max capacity

so duals got more hit than a single Man who would have guessed that

The queensland personal water craft club of australia is raffeling off a 2008 superjet on a trailer the tickets are $10 each and it will be drawn with in a month If you win it i will be happy to help you out with getting it over there I can take it to work and get it boxed up for you if you...

Dual 48s

Personally i think Novis are the best carb out there I have tried singles duals i have tried black jacks i would rate them higher than full rectums I have tried spectrums as well i found they were very over rated Nothing has hit as hard as a well SETUP set of novis Personally i found the...

Im seruiously looking at one for my superjet will work well with my pv cylinder

the flywheel will be fine if you take the cylinders and get them sandblasted they will be fine as well you can get them to sandblast down the ports and this will clean all the rust out of course you have to make sure that all the sand is out and you willhave to chase the threads in the cylinder...

The cases make a good difference i would look at getting them done at the same time

the sad thing is it s=the surfers using the jetski but its the jetskiers that are going to take the rap over it