SXR Any one have experience wiseco big bore kit

[aqualocos]

Wiseco Kawasaki Racing Piston Kit
Make Your SXR800 to a Big Bore 850 Engine - IJSBA Stock Lite Class legal
Fit with original Kawasaki cylinder sleeve
Wiseco Piston kit are high quality forged alloy and include rings, taper wall wrist pins and circlips

Let me here what you think!

 

[aqualocos]

Bump

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[djkorn1]

HOW do you get an 850 out of an 800 stock sleeves. Doesn't make sense.

 

[user_error]

84mm + wisecos in an sxr (830-850cc) make.great power

 

[user_error]

You can get 850cc out.of stock sleeves too

 

[aqualocos]

What kind of power? Racing ? Or do you get more in the bottom too?

 

[user_error]

i noticed more bottom immediately. ski feels great

 

[aqualocos]

What carbs do you run with that?

 

[user_error]

i have run both stock carbs and 2 different styles of novis. all work well.

 

[Big Kahuna]

you have to bore the cylinders out.
Last time I checked Stock Class was still at 800cc's. That would not be legal.

 

[user_error]

last year they changed it, you can go to 850cc on an sxr in all ski classes. stock, lites, and limited

 

[Krenn Power Sports]

check groupk's write up on the big bore 850... pretty interesting stuff

 

[aqualocos]

What do you have to do more then only put in wiseco pistons is it that easy? No more modifications are needed? ?
Just bore right size and braaaaaaaaap?

Thanks

 

[restosud]

recut the head for squish

 

[aqualocos]

need bb domes from tbm for big bore

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[user_error]

you can either recut the OEM head for proper squish clearance and dome profile or go with the TBM big bore specific domes. the latter is more a more common option because if you are going to be running a big bore you would most likely prefer to run the girdled head to be safe when using an aftermarket pipe.

 

[aqualocos]

Thanks user_error!!!

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