changing the cam on a warrior - Road Star Warrior Forum : Yamaha Star Warrior Forums

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Old 08-19-2019, 10:09 PM   #1 (permalink)
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Default changing the cam on a warrior

I have not seen anyone talk about changing there cam on there bike, can it be done and is there even a reason to do it? Maybe the stock motor has the biggest/best cam you can put in it before doing a lot of head mods etc:
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Old 08-19-2019, 10:53 PM   #2 (permalink)
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There are S* cams and PR cams and associated goodies. Use search criteria: cams.
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Old 08-20-2019, 08:06 PM   #3 (permalink)
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sorry about that should have know better
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Old 08-20-2019, 08:36 PM   #4 (permalink)
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As far as engine mods go the best bang for the buck is HC slugs.
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Old 08-20-2019, 10:36 PM   #5 (permalink)
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It's cool no worries. In these forums you can check the free for-sale ads, search PR which is Patrick Racing and search Speedstar Cams with are the discontinued Yamaha cams. As part of a larger package the cams change the way the bike sounds.

Churchkey nailed-it. High compression pistons wake the motor up even without cams and such. Plus IMO Ivan's ECU Flash.

Depends on what kind of riding you like most.

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sorry about that should have know better
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Last edited by arizonawarrior; 08-21-2019 at 12:16 AM.
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Old 08-20-2019, 11:14 PM   #6 (permalink)
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Ok I was just curious to be honest, the bike is awesome as it is but wanted to check if a cam change would change anything, my last bike was a HD Springer Softail and changing the cam made a huge difference
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Old 08-21-2019, 12:17 AM   #7 (permalink)
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It does. But this Beast is set-up for massive torque right out of the box.
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Old 08-21-2019, 10:04 AM   #8 (permalink)
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Unfortunately HD have a plethora of cam options and the companies that offer cams are new billets which goes to show you that time, effort and transparency are in effect. That is one thing I will give HD is that they get many aftermarket companies involved with their new models.
I am sure they give the specs of cams to other cam manufacturers so that they can create more options for their customer base. The Warrior cams or should I say cam kit available will be from Patrick Racing and these will require your old set of camshafts to be hard welded and cut to increase the lift and duration rather than new billet shafts. The other set that might be found would be the Yamaha Speedstar set which were sold during the Warrior run of the 2000's and offered by Yamaha. So you might find a used set somewhere somehow but very unlikely that many are still out there.
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Old 08-21-2019, 11:50 AM   #9 (permalink)
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If the OP is looking for the "potato-potato" sound @ idle its not going to happen with a Warrior the engine needs to idle in the 950 rpm range.
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Old 08-21-2019, 10:08 PM   #10 (permalink)
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Good observation right there ^^^^^
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