Yamaha Blaster Porting Part 1 Exhaust Port
Автор: Sean Tarpinian
Загружено: 2024-06-26
Просмотров: 8186
In Part 1 I walk you through a general layout for all Yamaha Blaster Cylinder ports for a porting tune that is appropriate for a mid-range rpm power. Some refer to this as a motocross tune.
This specific port job is for a 3mm stroker crank (no spacer plate). Therefore, the port timing will be different than that of a regular stroke Blaster.
Part 1 walks through the exhaust porting and what to expect and some tips and tricks.
(For a regular stroke Blaster you can follow the same guidelines but don't take more than 1.5mm off the top of the exhaust port.)
I like to refer to this type of porting as a "Nasty Blasty" port after a 1999 Blaster I built.
Stay tuned for the next 2 chapters that will dive into the transfer ports and intake ports.
Thanks for watching!
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