Hi, i was having problems in one of my engine due to one of the ignition coil failled, i replaced it and the problem is:confused: gone. Is there any possible test to check the others ignition coil? Thanks
Hi everyone,i have been using two 130hp in my boat for over 5 years. Carburetor and pre-mix oil 50:1 ratio. One of them produse more smoke than the other while running.Is ok ? any relation with the spark im using? NGK 8 and NGK 9.thanks
:confused:
Hi everyone, do i have to change the oil lines base on years of use? does the inside hole of the lines from oil pump to cilinders changes diameter with the years?? I want to make sure all of them are delivering the right amount of oil.thanks:rolleyes:
Hi everyone any advise :cool: will be appreciated. I have a Yamaha 130hp 1998 with carburetor. I,m still using the original oil pump for lubrication. I have heard many times that is better if I disconnect the pump and use premix gas instead.?????
Different people and some of them with mechanic...
Re: Low compression cilynder due to damaged piston??
The cylinder has some visible marks but you can not feel it when you touch it. I clean it up but some marks made by piston are there.Do you think is ok just replacing this for new piston and rings or the overhaul is the only solution.Thank,s...
Hi everyone ,i removed the damaged piston and i attached pictures. Why those rings stuck like that in the piston ???
How can i prevent it does not happen again in the future? Yamaha 130hp 1998 carburetor 2 stroke.Thank's
Hi,i have a 2 stroke Yamaha 130hp 1998. The engine used to work good and 135 psi in the 4 cylinders.After two months with not use, now i have the engine failing and lack of power.I took the compression again and now there is one of them with only 25psi????? It could be rings stuck? Thank's in...
