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Author Topic: Different YZ Actuators??  (Read 1957 times)

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Offline Tahitian_Red

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Different YZ Actuators??
« on: September 25, 2013, 01:09:54 PM »
Any difference between these two actuators, besides one being dirtier than the other?



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The "Factory Novice"
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'74 Suzuki TM100, '75 Bultaco 250 Pursang, '77 Honda XR75, '77 Suzuki RM125B, '77 Yamaha YZ400D, '79 Honda CR250RZ Moto-X Fox Replica, '83 Honda ME480RD Mugen

Offline firko

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Re: Different YZ Actuators??
« Reply #1 on: September 25, 2013, 04:39:53 PM »
I think they're the same, the angle the bottom photo is taken from throws off the perspective and makes it look a different shape.
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Offline Tahitian_Red

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Re: Different YZ Actuators??
« Reply #2 on: September 25, 2013, 04:55:47 PM »
Firko,

The top one is from my RT2MX and I was told the bottom one is a magnesium actuator from the 1975 YZ250/360's.  I didn't think the YZ-B actuators were magnesium, just the clutch and ignition covers.
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The "Factory Novice"
California, USA

'74 Suzuki TM100, '75 Bultaco 250 Pursang, '77 Honda XR75, '77 Suzuki RM125B, '77 Yamaha YZ400D, '79 Honda CR250RZ Moto-X Fox Replica, '83 Honda ME480RD Mugen

Offline Davey Crocket

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Re: Different YZ Actuators??
« Reply #3 on: September 25, 2013, 05:21:20 PM »
The 250/360B ones had the word "Magnesium" cast on the inside.....they weigh a lot less too.
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Offline Slakewell

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Re: Different YZ Actuators??
« Reply #4 on: September 25, 2013, 05:40:21 PM »
The one thing they had in common was they didn't work
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Offline Davey Crocket

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Re: Different YZ Actuators??
« Reply #5 on: September 25, 2013, 06:45:16 PM »
Your right there Mic.....heaviest clutch pull in the world.....the only time you use it is to take off.....absolutely useless to try and slip it if your in a higher gear and no feel to it at all.
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Offline Tahitian_Red

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Re: Different YZ Actuators??
« Reply #6 on: September 26, 2013, 02:45:39 AM »
Davey,

Where on the inside would "Magnesium" be printed?

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The "Factory Novice"
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'74 Suzuki TM100, '75 Bultaco 250 Pursang, '77 Honda XR75, '77 Suzuki RM125B, '77 Yamaha YZ400D, '79 Honda CR250RZ Moto-X Fox Replica, '83 Honda ME480RD Mugen

Offline Davey Crocket

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Re: Different YZ Actuators??
« Reply #7 on: September 30, 2013, 10:10:19 PM »
Sorry Red, only just spotted this, I would have to look at one but it's on the flat part next to where the cable goes....that looks like a plain old ally one.
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