Yamaha Trouble

[Clayton]

I have a 1987 90hp outboard the carbs have been gone through and fire is good it will idle good but wont throtle up and take off like it should also compression is 125 per cyl can you help

 

[JUSTINTIME]

Re: Yamaha Trouble

check timing
fuel lines
vent lines

 

[Capt Ken]

Re: Yamaha Trouble

Bet your timer base is stuck and not advancing the timing

 

[Ray Neudecker]

Re: Yamaha Trouble

Did you also replace the fuel pump?

 

[Clayton]

Re: Yamaha Trouble

Did you also replace the fuel pump?

 

[Clayton]

Re: Yamaha Trouble

No I havent replaced the fuel pump yet I'll try that thanks