Rpmbs on a 80 hp 4stroke yahama

B

bpa1216

New member

• Dec 30, 2006

• #1

WOT only turning 3000 rpm. Wh

WOT only turning 3000 rpm. What adjustments can be made. Came with factory prop.

 

justintime

Silver Medal Contributor

• Jan 3, 2007

• #2

what year?
when was the last

what year?
when was the last tune up?

 

B

bpa1216

New member

• Jan 3, 2007

• #3

01. last tune up was 05

01. last tune up was 05

 

justintime

Silver Medal Contributor

• Jan 3, 2007

• #4

"u need a service manual

i

"u need a service manual

i would do carbs first, and go from there
do a de-carb"

 

B

bpa1216

New member

• Jan 5, 2007

• #5

Could too much oil cause it to

Could too much oil cause it to run at 3000 rpm's

 

justintime

Silver Medal Contributor

• Jan 5, 2007

• #6

check it
it would smoke

check it
it would smoke

 

B

bpa1216

New member

• Jan 5, 2007

• #7

I did and it was way over the

I did and it was way over the full level. Would it smoke even in a four stroke

 

justintime

Silver Medal Contributor

• Jan 5, 2007

• #8

"yep, oil getting passed the r

"yep, oil getting passed the rings/valve seals due to too much oil"

 

J

jacobnorthwest

Regular Contributor

• Jan 22, 2007

• #9

you most likeky have a stuck f

you most likeky have a stuck float or ruptured diaphram filling the crankcase with gas also causing lack of rpm prop correcty should run 5900 would be optimal