Boyesen
Oem Block Reeds
YAMAHA Models Years
Power Reeds
Pro Reeds
Gasket
DT/TY/YZ 50 DT 50 MX DT 80 MX
05-6134 05-620 05-658 05-658 05-658 05-674 05-673 05-605
Boyesen Power Reeds for your Stock Oem Reed Block Maximum Power achieved through air intake, acceleration and distribution.
1981 - 83 1978 - 80
GT 80 PW 50 PW 80 YZ 60 YZ 65 MT 80 TY 80 YZ 80 YZ 80 YZ 80 YZ 80 YZ 80 YZ 80 YZ 85 YZ 100 RT 100 DT 100 DT 100 DT 100 DT 125 DT 125
More valves equals more power by creating:
All All All
More Air Flow The dual-stage design allows you to replace your stock reed stop with a Rev-Plate which permits the reeds to open freely and function efficiently. More Air Velocity The multi-port feature of the bottom reed creates more channels for the charge, delivering increased velocity to the intake ports. More Overall Power Dual-stage reeds work in unison to perform efficiently throughout the entire powerband. The difference in stiffness between the top reed and the bottom reed allow the reeds to respond quickly and accurately to changes in engine pressure. This translates into quicker acceleration, crisper throttle response and increased horsepower throughout the powerband.
2018 - 26
05-P165
All
05-620 05-6TR133
1974 - 84
1974
05-620 05-605 05-603 05-627 05-630 05-648 05-6105
1975 - 79 1980 - 84 1985 - 86 1987 - 92 1993 - 01 2002 - 25
05-P58
05-9230 05-9230
05-P165
All
05-603 05-6TR133
1990 - 98 1977 - 78
05-605 05-620 05-646 05-620 05-603 05-666 05-603 05-605 05-603 05-609 05-604 05-609 05-642 05-694 05-697 05-6111 05-6119 05-6130 05-6130
1983 1991 1974
1975 - 87 1988 - 93
DT 125 / R
IT 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125 YZ 125
All
1974
1975 - 79 1980 - 87 1988 - 92
05-P49 05-P53 05-P49 05-P08 05-P141 05-P147 05-P184 05-P202 05-P217 05-P217
05-9231 05-9231 05-9221
1993
1994 - 99
2000
2001 - 02
2003 2004
2005 - 21 2020 - 22 1980 - 83 1975 - 83 1987,88,90 1989,91,96 1992 - 95
05-9233 05-9233
YZ 125X
Move up with Carbon & Dual-Stage Technology
IT 175 TY175
05-609 05-6TR133
Pro Series dual-stage reeds combine a carbon-fiber top reed with a fiberglass bottom reed for unrivaled performance. The Pro Series Reeds are more responsive than our traditional Power Reeds. The carbon-fiber top reed has excellent response characteristics that provide even quicker acceleration, stronger throttle response, and more over-rev than our standard Power Reeds. The fiberglass bottom reed provides stability and longer reed life. The Benefits • Quickest acceleration any reed can offer for that all important holeshot. • Crisper throttle response making challenging obstacles effortless. • More overrev so you can run a gear longer going into a corner or jump • Increased life over traditional carbon fiber reeds. • The most potent reed available delivering power you can have confidence.
DT 200 / R DT 200 R
05-603 05-666 05-654 05-609 05-609 05-663 05-663 05-663 05-663 05-640 05-624 05-640 05-644 05-679 05-689 05-6102 05-6112 05-6131 05-6131 05-644 05-644 05-663 05-606 05-663 05-640 05-640 05-624 05-624
DT200 R/WR
IT 200
All
WR 200 TY 250 TY 250 TY 250 DT250 YZ 250 YZ 250 YZ 250 YZ 250 YZ 250 YZ 250 YZ 250 YZ 250 YZ 250 YZ 250 X WR 250 WR 250 TY 350 YZ 360 DT 400 YZ 465 YZ 490 YZ 490 WR 500
1992 - 95
1977 1984 1988
1977 - 79 1978 - 82 1984 - 88
1989
1990 - 96 1997 - 98 1999 - 00 2001 - 02 2003 - 04 2005 - 25 2016 - 25
05-P09 05-P64 05-P126 05-P157 05-P186 05-P218 05-P218 05-P09 05-P09
05-9231 05-9224 05-9224
1989
05-9231
1990 - 97
All
thru 1978 1977 - 78
All
1982 - 83 1984 - 90 1991 - 96
*Please visit our website for current prices E403
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