What is the physical diference between ATX and BT50 engines?
Bore / stroke ratio is the same, so is it possible (as I heard recently)
to just install BT50's piston in ATX and get ATX with BT performance?
(max speed 80 km/h, 4 kW at 8500 rpm and torque of 5 Nm at 7500 rpm)
Or do I still need to install complete new engine. What about the fuel
flow and exhaust?
I know it is easier to get BT instead, but ATX is the most beautiful
little bike I ever saw, I feel more comfortable with its suspension then
with BT's and I like its off-road capabilities (no matter how limited).
Pitty ATX have so wussy engine.
And I know that high rpm-engines are not suitable for off-road riding,
but if I wanted to climb stairs with my bike, I would go after 750cc
Please help if you can, I am already offered a beautiful MZ ETZ 251 with
oil pump and disc brakes, so temptation is heavy. :)
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