Head work - Yamaha Raptor Forum
 
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post #1 of 9 (permalink) Old 05-19-2014, 01:51 PM Thread Starter
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Head work

Had the 450 out at raptor rally this weekend, got spanked hard repeatedly. I beat a lot of guys with 3 mod or minor builds off the line, but they blow past me as I'm topping out 3rd gear. It's just a big 3 bike plus yz timing.
Looking for recommendation for a place to have some work done locally in the Eugene Oregon area. Not looking to do anything big, sb/ss. Porting, cams, and maybe a bit more compression. Want to keep it running pump gas 92 octane.

What is a good cam set for general dune riding/hill shoots?
How much compression is pump gas safe on these?

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #2 of 9 (permalink) Old 05-19-2014, 04:08 PM
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Cuervo Racing, don't know how close they are to Eugene though.
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post #3 of 9 (permalink) Old 09-20-2014, 05:31 PM
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You could also use WR cams and crank also for added pep. Pump gas should be safe up to 13:1, but you could do 12:5:1, or 12:1 to stay on the safer side.


Converted to 450 still Yamaha though
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post #4 of 9 (permalink) Old 09-20-2014, 05:35 PM
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What about Kenz cycle tech
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post #5 of 9 (permalink) Old 10-09-2015, 04:25 PM
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Does anyone have any drag racing parts for sell axles and so on
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post #6 of 9 (permalink) Old 10-09-2015, 06:23 PM
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Cuervo is west of JC a little bit. 20 minute drive or so. Redline racing in Sweet Home might do 4 strokes, i dont know. The banshee guys love them.
My go to favorite shop is in Springfield. Say hi to Branden and Shaun over at Black Label, they know tons and will know the best people for specialty stuff like heads.

Black Label:
https://www.facebook.com/BLPowersports?fref=ts

Cuervo:
https://www.facebook.com/Cuervo-Raci...7675/timeline/

Redline:
https://www.facebook.com/Redlinebanshees?fref=ts
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post #7 of 9 (permalink) Old 10-12-2015, 09:21 PM Thread Starter
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Quote:
Originally Posted by Ryan Lee View Post
Cuervo is west of JC a little bit. 20 minute drive or so. Redline racing in Sweet Home might do 4 strokes, i dont know. The banshee guys love them.
My go to favorite shop is in Springfield. Say hi to Branden and Shaun over at Black Label, they know tons and will know the best people for specialty stuff like heads.

Black Label:
https://www.facebook.com/BLPowersports?fref=ts

Cuervo:
https://www.facebook.com/Cuervo-Raci...7675/timeline/

Redline:
https://www.facebook.com/Redlinebanshees?fref=ts
Talked to Daniel at Cuervo, he suggested to just start lightening the drivetrain and leave the engine alone. I think that's the route we'll go, until we decide to get another 15+ 700 😉

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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post #8 of 9 (permalink) Old 10-17-2015, 01:56 AM
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Did Daniel mention how to go about lightnening? I have my raptor in boxes right now and the frame in powder coat so i am at a point where i can do many things.

06 700
Monster duals
FCI
MSD
+2 p/p head
11:1 comp
734 BB kit
5050 cam
+6 swinger.

More to come; you are witnessing a rebirth.
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post #9 of 9 (permalink) Old 10-18-2015, 02:50 AM Thread Starter
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Quote:
Originally Posted by Ryan Lee View Post
Did Daniel mention how to go about lightnening? I have my raptor in boxes right now and the frame in powder coat so i am at a point where i can do many things.
Tires, wheels, hubs, axle, sprockets/chain, brake.
It has pretty heavy tires right now (Itp sand stars on Itp ss cast wheels) and all stock components. You can save a lot of rotating mass in a hurry.

2015 700Rse
Fci, PC5F/I, monster exhaust, +2 Cuervo head, HDD5150, 54mm throttle body, 105.5 14:1, +8 swingarm.
08 yfz450se
Sparks big core, k&n no lid, yz needle, yz timing mod, +4 swingarm.
“Peepshow”
Cuervo 870, lectron, msd, monster megs, single a-arm lightened chasis, +14 swingarm.
”Monarchy”
Cuervo 930, lectron, msd, db fab titanium chasis.
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