434 / 1490
x
X X
X
X
434
DUAL STAGE POWER REEDS
DURA* FLEX
with
REV PLATES
• Dual stage reeds
• Minor change gives major H.P.
improvements
• Faster opening and closing
• Greater low-pressure (Low-
throttle) response
• Greater velocity
• Greater flow area
• Longer overall life
• No engine damage if broken
BOYESEN RAD VALVE
• More horse power
• Quicker, sharper throttle response
Application
Year
Valve
List
Repl.
List
Repl. Pro
List
HONDA
ATC250R
‘85-86
59-7513
$64.95
TRX250R
‘86-89
59-7513
64.95
POLARIS
350/400
‘90-04
59-8565
$64.95
SUZUKI
LT250R
‘88-92
59-7832
$44.95 59-7513
$64.95
YAMAHA
YFS200 Blaster
‘88-06
59-7735A
$179.95
59-8542
$56.95
YFZ350 Banshee
‘87-06
59-7736
272.95 59-7835
$35.95 59-8571
56.95
‘87-04
59-7736M*
272.95
59-8510
56.95
*
For Big Carb Modification. Does not include Manifold, Must Purchase from Yamaha.
Application
Year
Standard
List
Carbon Pro List
ARCTIC CAT
90
‘02-05
59-76107
$27.95
BOMBARDIER
DS90
‘05-06
59-76107
$27.95
E-TON
50
‘01-07
59-76108
$27.95
70
‘05-07
59-76107
27.95
90
‘01-07
59-76107
27.95
HONDA
ATC250R
‘81-86
59-7607
$39.95 59-8544 $61.95
TRX250R Fourtrax
‘86-89
59-7607
39.95 59-8544
61.95
FL350 Odyssey
All
59-7607
39.95 59-8544
61.95
FL400 Pilot
‘89
59-7607
39.95 59-8544
61.95
‘90
59-7633
39.95
KASEA
Skyhawk 50
‘01-04
59-76108
$27.95
90
‘01-04
59-76107
27.95
KAWASAKI
KXF 80
‘03-06
59-7688
$39.95
KXT/KXF 250 Tecate
All
59-7615
46.95
POLARIS
50
‘01-06
59-76108
$27.95
90
‘01-06
59-76107
27.95
300/350/400 2-Stroke
All
59-7607
39.95 59-8544 $61.95
SUZUKI
LT80 Quadracer
All
59-7668
$21.95
LT250R Quadracer
‘85-86
59-7628
33.95
‘87
59-7615
46.95
‘88-92
59-7634
39.95
LT500R Quadracer
‘87
59-7615
46.95
‘88-90
59-7637
39.95
YAMAHA
YT60 Tri-Zinger
59-7674
$21.95
YT125 Tri-Moto
thru ‘82
59-7603
33.95
‘83-87
59-7605
33.95
YT175 Tri-Moto
thru ‘82
59-7603
33.95
YT175
‘83-87
59-7605
33.95
YFS200 Blaster
‘88-06
59-7630
33.95 59-8585 $56.95
Tri-Z 250
All
59-7604
39.95
YFZ350 Banshee (2 Sets Req.)
‘87-06
59-7645
33.95 59-8586 $56.95
• One piece design
• Easy installation
FUEL / AIR SYSTEMS
TIRES
WHEELS
WHEELKITS
TIREACC.
WINCH
PLOW
TOWING / FARM
UTVCAB /ACC.
AUDIO
WINDSHIELDS
ATVBODY
UTVBODY
STORAGE/
TRANSPORT
EXHAUST
BARS /GRIPS
LEVERS
CABLES
ATVCONTROLS
FUEL /AIR
SYSTEMS
AIR FILTERS
OIL FILTERS
LIGHTING
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHINESE
VEHICLEPARTS
CHEMICALS
TOOLS
LOCKS
TRAILERS
RAMPS /STRAPS
PROMOTIONAL
REFERENCE
INDEX