just want a rough horsepower figure

[Raptor1100]

I have a 03 raptor 660 with a GYTR exhaust I going to get a GYTR head pipe,JE 12;1 686cc piston,jet kit,Hot cams stage1 cam,uni airfiter also what does the raptor have stock

[dillin1234]

no idea what all that will give you but i think they have 30 or 31 horse stock.

[tits]

more like 35

[dillin1234]

not sure when i got mine the dealer told me it had 31.

[lzyga05]

50hp

[Robin Hood]

Originally posted by lzyga05
50hp

About that.

And I think they have low 30's stock.

[Blue_Streak23]

Defiantley low 30's. I was told 31hp.

Originally posted by lzyga05
- 50hp

Where did that come from?(wait maybe i don't want to know)

[killen them all]

they have 38 hp and dont wast your time on a stage 1 cam get astage 2 then get bigger valves it you should be at high 50s low 60's

[Quad Boy 660r]

Originally posted by killen them all
they have 38 hp and dont wast your time on a stage 1 cam get astage 2 then get bigger valves it you should be at high 50s low 60's

Most accurate yet.

About 37-38. The California models have about 32.

The mods MAY put you into the high 50s, mids are more likley.

[BigBoreDinosaur]

Stock is mid to low 30's. Dyno-proven all across the country. State of origin doesn't matter. California Raptors make the same amount as ones from Maine. Most any pipe will get you to the 40 hp mark. Ditch the airbox lid and get a K&N and you'll be in the mid 40's to upper 40's. You're not going to break the 50hp mark without going inside the engine. Throw in an 11:1 piston and a Stage 2 cam and springs, and you'll be sneaking up on the 55hp mark. The Stage 1 cam is also a little better suited to woods riding than the Stage 2, as well. The price per horsepower starts going up pretty dramatically from there. For something used in the woods and on trails, you really don't need anymore than that, though. The stock suspension really starts to show it's weak points with this much horsepower.