change the prop pitch
nah done that. its to do with the engine.
You may put a chip which will increase horsepower up to 50hp. Cold Air Intake i.e. AEM, INJEN Exhaust systems i.e. Millitek, APR (RSC) basic stuff.
no
1966-67
I have a 1993 100hp v4
No you can not make a chao age faster
I don't know of a lot that can be done for a 9.9, other than propeller pitch increase. This engine, as is the case with most outboards, is designed for optimal power, without sacrificing idle, and low speed performance.
Either will make your car faster.
Only 1987 - 1996
The required spark plug for a 50 hp outboard engine would depend on the make, and year model of the engine.
how can you make your qlink siena go faster.
how to make mini motor cycles faster
i don't think you can make them hatch faster