FITS 88-04 KX500, 91-94 KDX250 - 12021-1070
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12021-1070 88-04 KX500 REED VALVE PICS AND MEASUREMENTS
- Sandblaster
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12021-1070 88-04 KX500 REED VALVE PICS AND MEASUREMENTS
If bikes are for kids I'll never grow up.
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Re: 12021-1070 88-04 KX500 REED VALVE PICS AND MEASUREMENTS
Thanks for the pics, I appreciate your efforts.
I have a WR500 and I am trying to find an aftermarket reed assembly for the intake. Moto Tassinari don't make anything for this model so I was looking at maybe trying to modify a KX 500 Reed to suit, unless you know of an aftermarket assembly that would work.
Any info would be greatly appreciated.
Cheers
I have a WR500 and I am trying to find an aftermarket reed assembly for the intake. Moto Tassinari don't make anything for this model so I was looking at maybe trying to modify a KX 500 Reed to suit, unless you know of an aftermarket assembly that would work.
Any info would be greatly appreciated.
Cheers
- Sandblaster
- Posts: 6313
- Joined: Thu Jun 07, 2012 3:50 pm
- Location: Eugene, OR
- Contact:
Re: 12021-1070 88-04 KX500 REED VALVE PICS AND MEASUREMENTS
Oh, should have asked me that in the first place..
All these reed assemblies fit your bike:
1985 YZ250N
1986 YZ250S
1986 YZ490S
1987 MOTOCROSS - YZ250T
1987 MOTOCROSS - YZ490T
1988 MOTOCROSS - YZ250U
1988 MOTOCROSS - YZ490U
1989 MOTOCROSS - YZ490W
1990 MOTOCROSS - YZ490A
1992 WR500ZD
1993 WR500ZE
I'd use the stock cage with some after market petals.
If I got ambitious I'd just make my own reed block and design it around some carbon fiber petals.
All these reed assemblies fit your bike:
1985 YZ250N
1986 YZ250S
1986 YZ490S
1987 MOTOCROSS - YZ250T
1987 MOTOCROSS - YZ490T
1988 MOTOCROSS - YZ250U
1988 MOTOCROSS - YZ490U
1989 MOTOCROSS - YZ490W
1990 MOTOCROSS - YZ490A
1992 WR500ZD
1993 WR500ZE
I'd use the stock cage with some after market petals.
If I got ambitious I'd just make my own reed block and design it around some carbon fiber petals.
If bikes are for kids I'll never grow up.
-
- Posts: 2
- Joined: Thu Sep 08, 2016 5:59 am
Re: 12021-1070 88-04 KX500 REED VALVE PICS AND MEASUREMENTS
I was told that Yamaha didn't make reed valves for these models anymore and that the carb manifold has been out of production for a while. My engine didn't come with a reed valve assembly. Moto Tassinari don't make anything for these models. So i'm trying to find something aftermarket and new or modify something to suit. Any other ideas around this?
Cheers
Cheers
- Sandblaster
- Posts: 6313
- Joined: Thu Jun 07, 2012 3:50 pm
- Location: Eugene, OR
- Contact:
Re: 12021-1070 88-04 KX500 REED VALVE PICS AND MEASUREMENTS
Yes, buy a good Used reed from a YZ490.
Like this one
http://www.ebay.com/itm/1990-yamaha-yz4 ... QN&vxp=mtr
Then, buy a new set of after market reed petals like these ones.
http://www.ebay.com/itm/Boyesen-Dual-St ... 8s&vxp=mtr
Other then that, make your own or patiently watch eBay every day..
Like this one
http://www.ebay.com/itm/1990-yamaha-yz4 ... QN&vxp=mtr
Then, buy a new set of after market reed petals like these ones.
http://www.ebay.com/itm/Boyesen-Dual-St ... 8s&vxp=mtr
Other then that, make your own or patiently watch eBay every day..
If bikes are for kids I'll never grow up.
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