1968 Evinrude Big Twin, Lark 40 HP Outboards Service Repair Manual P/N 4483, Page 15Get this manual

1968 Evinrude Big Twin, Lark 40 HP Outboards Service Repair Manual P/N 4483, Page 15

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TROUBLE TROUBLE 2LOSS OF POWER(Assuming Ignition )
POSSILE

POWER HEADSee Section Throttle control lever bent (won't advance) Air leak at manifold gasketswarped manifold (backfires)

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