500 blueband not running in high revs

tcoup

Recruit
Joined
Jun 18, 2011
Messages
2
Hi all

I have a 1978 merc blueband 500 thats not running at high revs in gear. It just starts splutiring when i push the the throttle up, it runs fine at low speed The engine while in neutral has no problem reaching high revs.

The engine had not been used in 5 years i got rid of the old fuel and ran the engine empty dont really know where to go with it from here.

any help as to the cause or a soloution to this would be greatly appreciated
thank you
 
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