225 1987 Hard start

tropic

Seaman Apprentice
Joined
Oct 9, 2004
Messages
38
Hi, its realy hard to start this engine, need full throtle and when start at 4500 rpm i slow the rpm to a 3000-2500 at this point the engine stops.
Note: when the engine starts works fine above 3500 rpm anything less the engine stops.
The carbs was clean , the compression its 90psi in all 6 cilynders, the stator and rectifier are new, the fuel tank, filters, hoses are new.
Sparks plugs, wires are new. Batt 12,5 volts marine deep cicle 650 AMPS only have 3 months.
Any help
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: 225 1987 Hard start

New stator, huh?

Betcha have a slipped flywheel and a sheared key.
 

tropic

Seaman Apprentice
Joined
Oct 9, 2004
Messages
38
Re: 225 1987 Hard start

Hi JB, the stator its new (december 2006) and the magnetos in the flywheel are in good conditions.
 
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