727 / 1410
EXHAUST
TIRES
TUBES
TIRE
ACCESSORIES
BIKE
ACCESSORIES
SNOWBIKE
PITBIKE
GRAPHICS /SEAT
BODY
CONTROLS
BARS /GRIPS
LEVERS
CABLES
INTAKE
FUELSYSTEMS
AIR FILTERS
OIL FILTERS
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
PISTONS
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHEMICALS
GASCANS
TOOLS
LOCKS
RAMPS /STRAPS
TRAILERS
PROMOTIONAL
REFERENCE
INDEX
x
X
X
X
X
727
2-STROKE KITS
• “Race” cylinder kits include a nickel carbide coated
cylinder ported to Factory “Works” specs., special
hard anodized exhaust valves, complete piston kit and
a top end gasket set
• “Factory” cylinder kits include all parts in the “Race”
kits plus an aluminum cylinder head with removable
brass dome allowing for higher compression and anti-
detonating features
4-STROKE KITS
• Available in standard bore and big bore sizes
• 4-Stroke kits include a nickel carbide coated cylinder
designed with wider water jackets, complete piston kit
and a top end gasket set
A full line of replacement parts are
available for all Athena cylinder kits.
* To be used with Athena cylinder and head assemblies
** To be used only with Athena cylinder assemblies
Application
CC Year WPS# List
HONDA
CRF150R 69mm Big Bore
163.5
‘07-10
68-4704 $538.95
Cylinder Only
12.1:1 Comp
68-4705 300.95
Forged Piston
68-4706 181.95
Ring Set
68-4706R 39.95
Top End Gasket Set**
68-4707 48.95
CRF250R 78mm Std. Bore
250cc
‘04-09
CRF250X
250cc
‘04-13
Cylinder Kit
13.0:1 Comp
68-4721 $591.95
Cylinder Only
68-4722 279.95
Forged Piston 77.95mm
68-4765A 182.95
Ring Set
68-4735R 39.95
Wrist Pin
68-4831 19.95
Top End Gasket Set**
68-4713 68.95
CRF250R 82mm Big Bore
280cc
‘04-09
CRF250X
280cc
‘04-13
Cylinder Kit
13.1:1 Comp
68-4730 $891.95
Cylinder Only
68-4731 527.95
Forged Piston 81.95mm
68-4766A 194.95
Forged Piston 81.96mm
68-4766B 194.95
Ring Set
68-4766R 35.95
Wrist Pin
68-4833 20.95
Top End Gasket Set**
68-4714 78.95
CRF250R 82mm Big Bore
280cc
‘10-17
Cylinder Kit
68-4732 $960.95
Cylinder Only
68-4733 499.95
Forged Piston 81.95mm
68-4732A 194.95
Forged Piston 81.96mm
68-4732B 194.95
Ring Set
68-4766R 35.95
Top End Gasket Set**
68-4734 72.95
CRF450R 96mm Std. Bore
450cc
‘02-08
Cylinder Kit
11.5:1 Comp
68-4700 $591.95
Forged Piston 95.95mm
68-4750A 175.95
Forged Piston 95.96mm
68-4750B 175.95
Ring Set
68-4750R 32.95
Wrist Pin
68-4770 19.95
Circlips
68-4790
3.25
Top End Gasket Set**
68-4702 111.95
Application
CC Year WPS# List
HONDA
(
cont
’
d
...)
CRF450R 100mm Big Bore
490cc
‘02-08
Cylinder Kit
11.6:1 Comp
68-4710 $900.95
Forged Piston Kit 99.95mm
68-4751A 194.95
Forged Piston Kit 99.96mm
68-4751B 194.95
Ring Set
68-4751R 32.95
Wrist Pin
68-4770 19.95
Circlips
68-4790
3.25
Top End Gasket Set**
68-4712 111.95
CRF450R 100mm Big Bore
490cc
‘09-16
Cylinder Kit
68-4725 $1076.95
Cylinder Only
68-4726 549.95
Forged Piston Kit 99.95mm
68-4727 218.95
Ring Set
68-4405R 33.95
Top End Gasket Set**
68-4729 90.95
CRF450X 96mm Std. Bore
450cc
‘05-14
Cylinder Kit
11.5:1 Comp
68-4750 $549.95
Cylinder Only
68-4751 279.95
Forged Piston Kit 95.95mm
68-4750A 175.95
Forged Piston Kit 95.96mm
68-4750B 175.95
Ring Set
68-4750R 32.95
Wrist Pin
68-4770 19.95
Circlips
68-4790
3.25
Top End Gasket Set**
68-4715 67.95
CRF450X 100mm Big Bore
490cc
‘05-14
Cylinder Kit
11.6:1 Comp
68-4755 $904.95
Cylinder Only
68-4756 512.95
Forged Piston Kit 99.95mm
68-4751A 194.95
Forged Piston Kit 99.96mm
68-4751B 194.95
Ring Set
68-4751R 32.95
Wrist Pin
68-4770 19.95
Circlips
68-4790
3.25
Top End Gasket Set**
68-4716 82.95
CYLINDER KITS
for
2-STROKE
and
4-STROKE ENGINES
Continued on the next page
These items are designed exclusively for closed course
competition use ONLY. Use on public lands or highways in
the state of California is illegal.
ENGINE