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1974-1977 Yamaha MX YZ IT 250 360 400 Boyesen Power Reeds
SKU: BR-606-YZ
Will fit:
1974-1977 Yamaha YZ 250
1974-1977 Yamaha YZ 360/400
1973-1975 Yamaha MX 250,360,400
1973/1974 Yamaha SC 500
1976-1978 Yamaha IT 250/400
1977/1978 Yamaha YZ 400
$35.95
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1974/1975 Yamaha YZ 125; MX 125/175 Boyesen Power Reeds
SKU: BR-605
1974/1975 Yamaha YZ 125; MX 125/175 Boyesen Power Reeds
$29.95
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1976-1979 Yamaha YZ 125 Boyesen Power Reeds
SKU: BR-603
1976-1979 Yamaha YZ 125 Boyesen Power Reeds
$29.95
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1978-1982 Yamaha YZ 250; 79-82 400 465 490 Boyesen Power Reeds
SKU: BR-640
Will fit:
1978-1982 Yamaha YZ 250
1979 Yamaha YZ 400
1980-1981 Yamaha YZ 465
1982-1983 Yamaha YZ 490
$35.95
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1979-1982 Yamaha YZ 250; 79-83 YZ 400 465 490 Torque Reed Valve Spacer
SKU: YZTORQUE
1979-1982 Yamaha YZ 250; 79-83 YZ 400 465 490 Torque Reed Valve Spacer


This reed valve spacer moves the reed valve further from the cylinder. This typically gives the bike more low end power. It will also help if your air boot has shrunk and the carburetor needs to sit further back.

It is the correct 4 bolt pattern for these models:

1978-1982 Yamaha YZ 250
1981/1982 Yamaha IT 250
1980/1981 Yamaha YZ 465
1982/1983 Yamaha YZ 490
1981/1982 Yamaha IT 465
1983/1984 Yamaha IT 490
85/86 Tri Z 250
$29.95
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1980-1983 Yamaha YZ 250 465 490; 81-84 IT 465 490; 85/86 Tri Z 250 VForce 3 Reed Valve
SKU: VFORCE3-YZ
Struggling to find the right jetting specs for your Yamaha big bore? This reed cage helps clean up the troubled stock power band and increase power across the entire RPM range. It did wonders on our 1981 YZ 465.

It is the correct 4 bolt pattern for these models:

1978-1982 Yamaha YZ 250
1981/1982 Yamaha IT 250
1980/1981 Yamaha YZ 465
1982/1983 Yamaha YZ 490
1981/1982 Yamaha IT 465
1983/1984 Yamaha IT 490
85/86 Tri Z 250
$149.95
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1980-1987 Yamaha YZ 125; 80-83 IT 175; 84-86 IT 200 Boyesen Power Reeds
SKU: BR-609
1980-1987 Yamaha YZ 125; 80-83 IT 175; 84-86 IT 200 Boyesen Power Reeds
$35.95
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1980-1987 Yamaha YZ 125; 83-88 Cagiva WMX 125 Mossbarger Reed Cage
SKU: MB-08-100
Will fit the following models:
1980-1987 Yamaha YZ 125
1983-1988 Cagiva WMX 125
$129.95
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1982-1985 Suzuki RM 250 465 500 VForce 3 Reed Valve
SKU: VFORCE3-RM
New aftermarket V-Force 3 Reed Cage Assembly. Great boost across the entire power band!

Will fit:
1982-1985 Suzuki RM 250
1981/1982 Suzuki RM 465
1983/1984 Suzuki RM 500
$149.95
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1983-1988 Yamaha YZ 250; 84-90 YZ 490 Boyesen Power Reeds
SKU: BR-624
1983-1988 Yamaha YZ 250; 84-90 YZ 490 Boyesen Power Reeds
$44.95
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