ENGINE
384
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& ignition
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exhaust
HOT CAMS DIRT BIKE
continued
MODEL
YEAR
DESCRIPTION
CAMSHAFTS
SHIM KIT
EXHAUST
DURATION
EXHAUST
LIFT
EXHAUST
LOBE
CENTER
EXHAUST
VALVE
LASH
INTAKE
DURATION
INTAKE
LIFT
INTAKE
LOBE
CENTER
INTAKE
VALVE
LASH
HONDA CONTINUED
CRF 450R 09 Stage 2 cam: single cam motor. Same low
end power as OEM cam up to 6,000 RPM
and improved power from 6,000 to rev limit.
Uses stock valve springs, rockers, and auto
decompression mechanism.
870241 269.95
G
870967 89.95
G 269
8.7
104 0.28
248 10.1 112 0.16
CRF 450R 09 Stage 3 cam: single cam motor. Best suited for
engines requiring more breathing capability.
Uses stock valve springs, rockers, and auto
decompression mechanism.
870242 269.95
G
870967 89.95
G 265
9
104 0.28
252 10.4 118 0.16
CRF 450R 02-06 Stage 1: single-cam motor. Excellent bottom-
end and midrange increase. Improved throttle
response. Uses stock auto-decompression
mechanism. Uses stock valve springs.
870231 269.95
G
870967 89.95
G 270
8.8 103.25 0.28
238 9.6 109 0.15
CRF 450R 02-06 Stage 2: single-cam motor. Excellent midrange
and top-end increase. Improved throttle
response. Uses stock auto-decompression
mechanism. Uses stock valve springs.
870232 269.95
G
870967 89.95
G 270
8.8 104.5 0.28
248 10.1 112 0.15
CRF 450R 02-06 Stage 3: single-cam motor. Significantly more
top-end power than Stage 2. Will work well for
Supermoto and big bore/strokers. Uses stock
auto-decompression mechanism. Uses stock
valve springs.
870233 269.95
G
870967 89.95
G 265
9.1 104.5 0.28
254 10.4 116 0.15
CRF 450R 10-12 Stage 1 cam: single cam motor. Improved
torque below 9000rpm with improved peak
horsepower over OEM cam. Uses stock valve
springs, rockers, and auto decompression
mechanism.
870250 269.95
G
870967 89.95
G 248
8.7
104 0.28
238 9.6 109 0.16
CRF 450R 10-12 Stage 2 cam: single cam motor. Same low
end power as OEM cam up to 6,000 RPM
and improved power from 6,000 to rev limit.
Uses stock valve springs, rockers, and auto
decompression mechanism.
870251 269.95
G
870967 89.95
G 269
8.7
104 0.28
248 10.1 112 0.16
CRF 450R 10-12 Stage 3 cam: single cam motor. Best suited for
engines requiring more breathing capability.
Uses stock valve springs, rockers, and auto
decompression mechanism.
870252 269.95
G
870967 89.95
G 265
9
104 0.28
252 10.4 118 0.16
CRF 450R 10-13 Builder Series: Single cam engine. Good
bottom end cam for modified engines. Can be
used with stock or aftermarket valve springs,
if ignition rev limit is increased requires spings
VSK1009. Uses stock auto decompression
mechanism.
870253 295.95
G
870967 89.95
G 268 9.27 105 0.28
238 9.6 109 0.16
CRF 450R 10-13 Builder Series: Single cam engine. Good high
RPM cam for modified engines needing high
RPM capability. Can be used with stock or
aftermarket valve springs, if ignition rev limit
is increased requires spings VSK1009. Uses
stock auto decompression mechanism.
870255 295.95
G
870967 89.95
G 269 8.71 104 0.28
252 10.39 118 0.16
CRF 450R 10-13 Builder Series: Single cam engine. Good
low RPM cam for modified engines that
are oversized. Can be used with stock or
aftermarket valve springs, if ignition rev limit is
increased use stiffer intake springs. Uses stock
auto decompression mechanism
870258 295.95
G
870967 89.95
G 269 8.71 104 0.28
254 9.78 111 0.16
CRF 450R 10-13 Builder Series: Single cam engine. Good
midrange cam for modified engines that
are oversized. Can be used with stock or
aftermarket valve springs, if ignition rev limit
is increased requires spings VSK1009. Uses
stock auto decompression mechanism.
870256 295.95
G
870967 89.95
G 265 9.04 104 0.28
254 9.78 111 0.16
