Bigger cam work - Yamaha Raptor Forum
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post #1 of 8 (permalink) Old 06-04-2019, 05:26 PM Thread Starter
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Bigger cam work

Hello, I am sending my head off to get +1mm valves and I plan on buying a larger cam than my hc3 as well. But I read somewhere that you have to "clearance" The rockers and something else to make the cam fit. Can anyone tell me exactly what this means and how to do it (if it's actually needed)? Planing on a 5050 cam or web 4.
It's an 06 700 btw.
Thanks in advance.
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post #2 of 8 (permalink) Old 06-04-2019, 07:32 PM
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Who are you sending the head to? They should know to clearance the rockers for a bigger cam. You need to have the head ported to whatever cam you choose for best results. Are you doing a +3 Throttle body? Already have high compression piston and a big 3 set up?

Tell us more about your bike for the best help.

[U]2006 raptor 700

DMC Force 4's, FCI W/box, Dynatek Fusion
CP 11:1 piston, BaMotorsports porting, HC3
RacersEdge +3TB
YFZ 450 fronts & reworked rear by JOGACA
Trailtech 1 1/8 xbar w/vapor dash & Vapor installed
ODI Rogue grips & ASV pro pack levers
PRM Edge Baja bumper w/12" Cree spot/flood bar
PRM Desert grab bar
PRM A-Arm skids, GYTR skid, ProArmor swinger skid
Fastway steering stabilizer
68HP 49TQ

PM me if you need service manuals
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post #3 of 8 (permalink) Old 06-04-2019, 07:49 PM Thread Starter
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Quote:
Originally Posted by morphrider View Post
Who are you sending the head to? They should know to clearance the rockers for a bigger cam. You need to have the head ported to whatever cam you choose for best results. Are you doing a +3 Throttle body? Already have high compression piston and a big 3 set up?
Tell us more about your bike for the best help.
Currently, it has a 11.1 piston, hc3, and the big 3. I sent quote request to a couple different places and so far I am leaning towards CT racing. And yes, I will get the +3 throttle body while I am at it.
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post #4 of 8 (permalink) Old 06-04-2019, 07:51 PM
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Maybe discuss with CT what they provide for cams, I think they do Webb if not mistaken. Keep us posted!

Oh and port match the TB rubber boot to the head when you get it back, keep it flowing smooth.
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[U]2006 raptor 700

DMC Force 4's, FCI W/box, Dynatek Fusion
CP 11:1 piston, BaMotorsports porting, HC3
RacersEdge +3TB
YFZ 450 fronts & reworked rear by JOGACA
Trailtech 1 1/8 xbar w/vapor dash & Vapor installed
ODI Rogue grips & ASV pro pack levers
PRM Edge Baja bumper w/12" Cree spot/flood bar
PRM Desert grab bar
PRM A-Arm skids, GYTR skid, ProArmor swinger skid
Fastway steering stabilizer
68HP 49TQ

PM me if you need service manuals
morphrider is online now  
post #5 of 8 (permalink) Old 06-04-2019, 07:55 PM Thread Starter
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Join Date: Jan 2017
Posts: 72
I read about that as well, that seems easy to do. Just trying to get everything covered so I don't go to put it together and start throwing wrenches lol.
I did ask about the cams they offer, waiting to hear back.
Is there any other places I should get quotes from?
I like the fact that they already have heads complete and I won't have to wait 6 weeks. And their customer support is awesome so far.
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post #6 of 8 (permalink) Old 06-04-2019, 08:16 PM
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Join Date: May 2012
Location: Northern Colorado
Posts: 7,467
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Henry Porting out in the East, Racers Edge in Arizona, Cuervo Racing in Oregon, Geisick Racing here in Colorado.

All have many years experience and you can't go wrong with any. Google any of them for more info/websites/Facebook. Best bet is to have whomever you choose port to the cam of choice. Use an OEM head gasket when putting it back together. What I have in my sig put down good numbers on a dyno and tackling steep chutes in sand I had zero issues, whereas other bikes had to get running starts to slowly get up them I stopped at the base looking up then hit go and was going up them quicker.

[U]2006 raptor 700

DMC Force 4's, FCI W/box, Dynatek Fusion
CP 11:1 piston, BaMotorsports porting, HC3
RacersEdge +3TB
YFZ 450 fronts & reworked rear by JOGACA
Trailtech 1 1/8 xbar w/vapor dash & Vapor installed
ODI Rogue grips & ASV pro pack levers
PRM Edge Baja bumper w/12" Cree spot/flood bar
PRM Desert grab bar
PRM A-Arm skids, GYTR skid, ProArmor swinger skid
Fastway steering stabilizer
68HP 49TQ

PM me if you need service manuals
morphrider is online now  
post #7 of 8 (permalink) Old 06-04-2019, 08:24 PM Thread Starter
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Join Date: Jan 2017
Posts: 72
I planned on using a copper gasket this time around. Went through 2 head gaskets in the last year. One was OEM.
This is why I am updating all this stuff. No sence in taking the head off if I'm not adding some power lol.

What kind of numbers can I expect with this build?
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post #8 of 8 (permalink) Old 06-05-2019, 06:19 AM Thread Starter
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They said that the cam they recommend is a web cam 940c. Is that any good?

Last edited by bristra; 06-05-2019 at 06:23 AM.
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