Model: FX600V AS08-R
E/No: FX600V A04147
On a 2010 Gravely Compact Pro 44" approx 1000 hrs.
I first noticed the engine running rough popping and surging at mid revs, but seemed to run ok at WOT.
I parked it up, and have cleaned the carb (was a bit of water & debris in the bowl).
Pulled the spark plug leads and #1 cylinder is running rough right through the rev range.
Adjusted the valve clearances, reset ignition coils air gap and replaced spark plugs. Still rough
Bought 2 new ignition coils and fitted them today and #1 is still erratic.
Did a compression test and #1 showed 100psi and #2 showed 95psi.
I'm at a loss as to where to look now.
Since #2 cylinder runs perfectly throughout the rev range, I tend to think it's not carby (single throat carby) unless something is going on in the manifold?
Could the wire from the start switch to the coils cause probs. It is a common wire to both coils so I'd have thought both would be affected?
Any guidance would be much appreciated.
E/No: FX600V A04147
On a 2010 Gravely Compact Pro 44" approx 1000 hrs.
I first noticed the engine running rough popping and surging at mid revs, but seemed to run ok at WOT.
I parked it up, and have cleaned the carb (was a bit of water & debris in the bowl).
Pulled the spark plug leads and #1 cylinder is running rough right through the rev range.
Adjusted the valve clearances, reset ignition coils air gap and replaced spark plugs. Still rough
Bought 2 new ignition coils and fitted them today and #1 is still erratic.
Did a compression test and #1 showed 100psi and #2 showed 95psi.
I'm at a loss as to where to look now.
Since #2 cylinder runs perfectly throughout the rev range, I tend to think it's not carby (single throat carby) unless something is going on in the manifold?
Could the wire from the start switch to the coils cause probs. It is a common wire to both coils so I'd have thought both would be affected?
Any guidance would be much appreciated.
