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1983 V6 200HP LOW RPM

P

PETER DIXON

Guest
will not rev more than 3000RPM

will not rev more than 3000RPM?
this engine is on a 19ft powerboat with a 19" s/s prop.
first time out(just bought)
speedo at 3000rpm=50mph flat out
any ideas thanks Peter
 
Exactly - Not-A-Student nailed

Exactly - Not-A-Student nailed it.

You are propped correctly for this set-up and should be getting up near the 50 mph mark - but your tach should be reading about 6k not 3k at that speed.
 
Great imformation.
How do I c


Great imformation.
How do I check tacho and adjust?
 
"Peter - it may a bit of pain

"Peter - it may a bit of pain but you need to get to the back of the tach where everything wires up.

On the back should be a kind of selector switch that will allow for different pole/cylinder settings (so the tach reads right) you may have 4 or 5 different available settings (standard outboard tach).

You should be looking to set it to "6P"...

I've included a diagram of what you are looking for on the back...
84461.jpg
"
 
"Graham,
You are a gentleman!


"Graham,
You are a gentleman!
Fantastic service!!!!!!!!!!!
Will do as you say tomorrow and let you know.
Again thanks alot.
Peter"
 
Have removed tacho and adjuste

Have removed tacho and adjusted to right setting now giving 4000RPM flat out?????????????????
any ideas
 
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