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ENGINE
446
body
accessories
handlebar
& grips
cables &
levers
electrical
& ignition
engine
fuel &
intake
clutch
brakes
drive
steering &
suspension
bearings
tires
tools &
shop
exhaust
PISTONS
MODEL
YEAR VERSION
COMP.
RATIO
CYLINDER
BORE
(MM)
PISTON
DIAM. (MM)
DIS-
PLACE-
MENT
SIZE
OVER
STD
TOP END
PISTON
KIT
PISTON
KIT
REPLACE-
MENT
RING(S)
CIRCLIP
HONDA
CONTINUED
CRF 250X 04-13 FORGED HIGH COMP 13.4:1 78 77.96 250
903358 -----
-----
-----
CRF 250X 04-13 FORGED HIGH COMP 13.4:1 78 77.97 250
903359 -----
-----
-----
CRF 250X 04-13 FORGED BIG BORE 12.9:1 84 83.96 289 6
-----
901316 903677 901675
CRF 250X 04-13 FORGED BIG BORE 12.9:1 85 84.96 296 7
-----
901343 903678 901675
CRF 250X 04-13 FORGED REPLICA 12.9:1 78 77.97 250
-----
901261 903675 901675
CRF 250X 04-16 FORGED BIG BORE 12.9 80 79.96 262 2
-----
901072 903676 901675
CRF 250X 04-16 FORGED REPLICA 12.9:1 78 77.95 250
-----
901259 903675 901675
CRF 250X 04-16 FORGED REPLICA 12.9:1 78 77.96 250
-----
901260 903675 901675
CRF 250X 04-16 FORGED REPLICA 12.9:1 78 77.98 250
-----
901262 903675 901675
CRF 250X 04-16 FORGED HIGH COMP 13.4:1 78 77.95 250
-----
901280 903675 901675
CRF 250X 04-16 FORGED HIGH COMP 13.4:1 78 77.96 250
-----
901281 903675 901675
CRF 250X 04-16 FORGED HIGH COMP 13.4:1 78 77.97 250
-----
901282 903675 901675
CRF 250X 04-16 FORGED HIGH COMP 13.4:1 78 77.98 250
-----
901283 903675 901675
CRF 250X 04-16 FORGED BIG BORE 13.0:1 79 78.96 256 1
-----
901412 903679 901675
CRF 250X 04-16 FORGED BIG BORE 13.0:1 79 78.97 256 1
-----
901413 903679 901675
CRF 250X 04-16 FORGED BIG BORE 13.0:1 79 78.98 256 1
-----
901414 903679 901675
CRF 250X 04-16 FORGED BIG BORE 13.0:1 81 80.96 269 3
-----
901451 903680 901675
CRF 250X 04-16 FORGED BIG BORE 13.0:1 81 80.97 269 3
-----
901452 903680 901675
CRF 250X 04-16 FORGED BIG BORE 13.0:1 81 80.98 269 3
-----
901453 903680 901675
CRF 250X 04-16 FORGED BIG BORE 13.0:1 81 80.99 269 3
-----
901779 903680 901675
CRF 450R 02-03 FORGED REPLICA 11.5:1 96 95.95 450
-----
901197 903685 901684
CRF 450R 02-03 FORGED REPLICA 11.5:1 96 95.96 450
-----
901198 903685 901684
CRF 450R 02-03 FORGED REPLICA 11.5:1 96 95.97 450
-----
901199 903685 901684
CRF 450R 02-03 FORGED REPLICA 11.5:1 96 95.98 450
-----
901200 903685 901684
CRF 450R 02-06 FORGED HIGH COMP 12.5:1 96 95.95 450
903372 -----
-----
-----
CRF 450R 02-06 FORGED HIGH COMP 12.5:1 96 95.96 450
903373 -----
-----
-----
CRF 450R 02-06 FORGED HIGH COMP 12.5:1 96 95.97 450
903374 -----
-----
-----
CRF 450R 02-06 FORGED REPLICA 12.1:1 96 95.95 450
903375 -----
-----
-----
CRF 450R 02-06 FORGED REPLICA 12.1:1 96 95.96 450
903376 -----
-----
-----
CRF 450R 02-06 FORGED REPLICA 12.1:1 96 95.96 450
903377 -----
-----
-----
CRF 450R 02-08 FORGED HIGH COMP 12.5:1 96 95.95 450
-----
901216 903685 901684
CRF 450R 02-08 FORGED HIGH COMP 12.5:1 96 95.96 450
-----
901217 903685 901684
CRF 450R 02-08 FORGED HIGH COMP 12.5:1 96 95.97 450
-----
901218 903685 901684
CRF 450R 02-08 FORGED HIGH COMP 12.5:1 96 95.98 450
-----
901219 903685 901684
CRF 450R 02-08 FORGED BIG BORE 12.1:1 100 99.96 488 4
-----
901242 903686 901684
CRF 450R 02-08 FORGED BIG BORE 12.1:1 100 99.97 488 4
-----
901243 903686 901684
CRF 450R 02-08 FORGED BIG BORE 12.1:1 100 99.98 488 4
-----
901244 903686 901684
CRF 450R 02-08 FORGED BIG BORE 12.1:1 100 99.99 488 4
-----
901245 903686 901684
CRF 450R 02-08 FORGED BIG BORE 12.0:1 99 98.96 480 3
-----
901513 903687 901684
CRF 450R 02-08 FORGED BIG BORE 12.0:1 99 98.97 480 3
-----
901514 903687 901684
CRF 450R 02-08 FORGED BIG BORE 12.0:1 99 98.98 480 3
-----
901515 903687 901684
CRF 450R 04-08 FORGED REPLICA 12.1:1 96 95.95 450
-----
901271 903685 901684
CRF 450R 04-08 FORGED REPLICA 12.1:1 96 95.96 450
-----
901272 903685 901684
CRF 450R 04-08 FORGED REPLICA 12.1:1 96 95.96 450
-----
901273 903685 901684
CRF 450R 04-08 FORGED REPLICA 12.1:1 96 95.98 450
-----
901274 903685 901684
CRF 450R 04-08 FORGED REPLICA 12.1:1 96 95.99 450
-----
901275 903685 901684
CRF 450R 07-08 FORGED HIGH COMP 12.5:1 96 95.95 450
903378 -----
-----
-----
CRF 450R 07-08 FORGED HIGH COMP 12.5:1 96 95.96 450
903379 -----
-----
-----
CRF 450R 07-08 FORGED HIGH COMP 12.5:1 96 95.97 450
903380 -----
-----
-----
CRF 450R 07-08 FORGED REPLICA 12.1:1 96 95.95 450
903381 -----
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-----