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The head on my stock airsall cylinder+piston ( higher compression than stuck jug) 155 psi and a good squish gap 0.80mm. The engine pull good but it Ping at high rpm, do you think retarding the ignition Will resolve That? I run 94 pump gaz cause 87 do preignition. Whit your bike with modified...

Did those small dent afect power? Worth repairing?

Photo from kijiji add. Ported 240 vito kit ,alu airbox,35mm carb vforce 4, extended swing arm ,banshee axle and A CUSTOM PIPE!! guy said 44hp at the wheel on dyno. 1800$ CAD is it too much?

Ihave noticed weird Sound in tune pipe so i decided to see by myself! Welded it back up, anybody have done This here ?

Hello! i have an airsal 66mm cylinder wich is alu nikasil plated and the piston that come with is a special vertex piston with no hole in the skirt, really not familiar . The rings seems to be made of a different material than regular oem and are also larger (surface on cylinder wal), i cant...

Is a 35mm pwk is too big for stock bore ported with a rechambered head. Many seem to run it as i see on youtube. Any run this setup ?

Hi people, i have bent a ring while slidind piston on sleeve, so i have decide to leave only the upper ring on piston, the piston is now rocking on the bore when cold. I now understand something , air cooled =greater telerence (looser pîston to cylinder clearance) why the need of a second ring...

I want to know the stock volume of the blaster head in cc

I have find this, really interestion for porting jobs... http://www.dragonfly75.com/motorbike/portdurations.html

Hi all, while i am porting the exhaust port ive made a scratch on cylinder wall... Except reboring ,cause its a fresh bore, how do i repair that if i need to? I dont want to broke a ring there..

Just to show a stock airsall jug , already sandblasted out of the box ,very little casting flaws...triple port exhaust and "boyesen port" anybody run this cylinder?

Hey homies, i can get the hand on a airsal 200cc kit for 200bucks anybody can give me their impression on this kit to know reliability and power vs stock jug?

I want to know if i can expect any power gain with this

I have opened up the window of this wossner forged piston to match the port , anybody did that here? Noticeable power gain?and is this skirt is to dangerously thin on the side? Thinnest part is 7mm, dont want to drop skirt in the crankcase.