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40 HP Yamaha I would like more power

pdi32

New member
"My 99 40HP 3-cylinder runs go

"My 99 40HP 3-cylinder runs good, no hard starting, overheating or any mechanical problems to speak of. I just want a little more power. Will 60 HP C60 TLRY carbs bolt on and give me more HP or is 50 HP carbs as large as I can go and is it worth it? The engine was dealer installed on a 17' Carolina Skiff flat bottom boat which I recently purchased and beleive this is the smallest engine for this hull. I installed a SS 10.5 X 13 prop which brought the RPM to 4800 RPM WOT from 5700 with the aluminum prop that was 11 X 12. I did not want to lose RPM, but I did. I was hoping the larger carbs would help this out. Any ideas? Thanks, Paul"
 
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