mmmmmmm.....suuuper..charrrger.... I can lend you a book, but if you want to tune go two stroke - It's a religious experience....
'I love the smell of Castrol R in the morning....' Steve Handby
What about disconecting the starter motor, turning it round, some pulleys belts and a switch on the bars....
A can of Bradex Ezee Start
Cheap supercharging AND nitro....
Dave