YAMAHA ALARM oil?

[cb239]

have a 1990 yamaha 130, the alarm goes off after 4000 rpms.i changed the thermos and the impellor,motor still does same thing,the oil tank is full on the motor when the alarm goes off,i bin reading there is a screen somewhere to check,where is this located,and and i able to put a oil pressure gauge in line to c the pressure at high rpms?just dont no what else it can be.

 

[deejaycee_2000]

Re: YAMAHA ALARM oil?

make sure the oil flow sensor (on the oil line) and the oil level switch in the oil tank is all good .....

 

[cb239]

Re: YAMAHA ALARM oil?

one other thing,when the alarm goes off,the motor shakes like it looses power,,is this the computer shuting it down?once the alarm stops it runs fine again..i bin reading on here to put viniger in the block for a few days to try to break up any salt depoits on the block,,wil this work.if so,should i take the lower unit off,or leave it on blocking al water outlets>? thx for any help.