New Mods...How much more power?

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Jul 25, 2003 | 02:31 AM

caliraptor

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New Mods...How much more power?

Just got my HC Stage 1 in today ($115 including shiping) and my Wiseco 11:1 std piston gets here monday/tuesday ($138) A friend at Yamaha will install both things for $150. Do these prices sound good? How much power will I gain from this? Do I need to rejet?

Jul 25, 2003 | 10:22 AM

rudyraptor

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New Mods...How much more power?

make sure the piston goes in the right way. Mine got put in backwards.
Rudy

Jul 25, 2003 | 11:09 AM

garyc660R

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New Mods...How much more power?

Quote:

Originally posted by: caliraptor
Just got my HC Stage 1 in today ($115 including shiping) and my Wiseco 11:1 std piston gets here monday/tuesday ($138) A friend at Yamaha will install both things for $150. Do these prices sound good? How much power will I gain from this? Do I need to rejet?

Prices sound reasonable....jetting up is mandatory....probably at least 10 sizes up. The rod issue is probably guys running lean with the engine running too hot. Power will be about the same difference between a stocker and adding a pipe + jetting.