2001 Yamaha 50hp 4 stroke compression???

[yachtnetwork]

Guys,

Can any body tell me what the compression should be on a 2001 50hp 4 stroke yamaha outboard? Just wondering before we do our compression check? Thanks

 

[JUSTINTIME]

Re: 2001 Yamaha 50hp 4 stroke compression???

10% of each other

around 90psi

 

[josef camilleri]

Re: 2001 Yamaha 50hp 4 stroke compression???

can some one help i need to purchase a 150 4 stroke engine to go on a trophy bayliner yamaha or suzuki

 

[josef camilleri]

Re: 2001 Yamaha 50hp 4 stroke compression???

Hi Its me again can someone help me out regarding performance of a yamaha150 4 stroke and a suzuki 150or 175 hp 4 stroke ,one of these has to go on a trophy bayliner for fishing appreciate some help

 

[terrencemclean]

Re: 2001 Yamaha 50hp 4 stroke compression???

10% of each other

around 90psi

i have one that has 120, 90, 90.

runs very rough, any suggestions???

 

[JUSTINTIME]

Re: 2001 Yamaha 50hp 4 stroke compression???

de carb the motor first