Hey guys I recently placed an order of ktm 50, so i will be getting it in a week!!!!! Cant wait!!. This is the bike i got http://www.ironhorsebikes.com/hard-tail/2012-yakuza-5-1 Some info about the bike.... 1) Engine type: single-cylinder, 2-stroke, air-cooled 2) Piston displacement: 49cc 3) Bore x stroke: 39.5 x 40 mm 4) Max. power: 9HP/9500RPM 5) Max. torque: 7NM/11000RPM 6) Compression ratio: 11:1 7) Ignition: CDI 8) Spark plug: NGK BP7HS 9) Carburetor: 19mm Plunger type carburetor 10) Air filter: polyurethane foam(built on the KTM50 bike) 11) Start mode: KICK start 12) Clutch style: centrifugal automatic 13) Average fuel consumption: 610g/kWh 14) Dimensions: 250x205x290 mm So my question .... 1. can i use the expansion chamber from sbp as an exhaust 2. What is with the clutch mods...... ( https://www.youtube.com/watch?v=aJ1SYC9aLPY ). 3. mounting suggestion, might use the jack shaft kit!!!! If the engine fits. 4. any other things i need to worry about. Thanks.