ysbsointula
New member
"Number one question is How lo
"Number one question is How long should the compression hold when held at compression with hand start crank?
The following is for a little back ground, hopefully someone can add some comments.
As I am looking at taking the head off which means cutting a hole in the engine/battery box to get head off.
I can hear air leaking more clearly with exhaust off.
Did not time leak down to engine turnover with hand crank but guess at 6-8 seconds will time next time.
Difficult to start 4 weeks ago but ran fine when
started.
Engine rebuit 3-400 hrs back, just bought boat.
Fixed fuel air leaks.
Injector removed and it sprays at least 12"
Removed exhaust - elbow not plugged
Did find exhaust valve at .013" gap.
Intake = 2mm = .008"
Oh yea when engine ran quite a few days back , no black smoke, no blue smoke , no residue on water, some white smoke. Never missed a beat at 850, 950 , 1200 rpm in gear.
The last time it started it went from 1000rpm
down to approx. 600rpm slowly never to start again.
Really need some experience to guide me
Thanks in advance
Gord
Sointula
No service / dealer for 150 miles"
"Number one question is How long should the compression hold when held at compression with hand start crank?
The following is for a little back ground, hopefully someone can add some comments.
As I am looking at taking the head off which means cutting a hole in the engine/battery box to get head off.
I can hear air leaking more clearly with exhaust off.
Did not time leak down to engine turnover with hand crank but guess at 6-8 seconds will time next time.
Difficult to start 4 weeks ago but ran fine when
started.
Engine rebuit 3-400 hrs back, just bought boat.
Fixed fuel air leaks.
Injector removed and it sprays at least 12"
Removed exhaust - elbow not plugged
Did find exhaust valve at .013" gap.
Intake = 2mm = .008"
Oh yea when engine ran quite a few days back , no black smoke, no blue smoke , no residue on water, some white smoke. Never missed a beat at 850, 950 , 1200 rpm in gear.
The last time it started it went from 1000rpm
down to approx. 600rpm slowly never to start again.
Really need some experience to guide me
Thanks in advance
Gord
Sointula
No service / dealer for 150 miles"