
948
Model Years Compression
Ratio
Stock
Engine
Bore x
Stroke
Bore
Size
Piston Type
and Coatings
Cylinder and Machining
Requirements
Top End
Kit
MTV # Single Piston MTV # Ring Set MTV # Piston
Pin
MTV # Circlip MTV # Top End
Bearing
MTV #
KTM 2-Stroke
360 SX 96-97 78.0 78.0 Pro-Lite Deglaze / Hone 747M07800 316-8064 3071TD 316-2811 S511 316-3157 CW18 316-1905 B1037 316-7037
x
74.0
380 SX
380 EXC
98-02 78.0 78.0 Pro-Lite Deglaze / Hone 3071TD 316-2811 S511 316-3157 CW18 316-1905 B1037 316-7037
x 79.0 PK1638 316-3695 748M07900 316-1925
77.0
KTM 4-Stroke
250 SX-F
250 XC-F
250 XCF-W
250 EXC-F
06-12
07-12
07-12
07-13
12.8:1 76.0 76.0 ArmorGlide Deglaze / Hone PK1763 316-3790 4981M07600 316-8193 CW16 316-1903
x 78.0 11047M07800 316-0699
55.0
250 SX-F
250 XC-F
250 XCF-W
250 EXC-F
06-12
07-12
07-12
07-13
13.5:1 76.0 76.0 ArmorGlide Deglaze / Hone CW16 316-1903
x 78.0 11035M07800 316-0689
55.0
250 SX-F 13-15 13.9:1 78.0 78.0 ArmorGlide Deglaze / Hone PK1894 316-3927 40074M07800 316-0258 S677 316-3199 W6883 316-3866
x Boxed
Forging
52.3
250 SX-F 13-15 13.9:1 78.0 78.0 Racers Choice Deglaze / Hone RC901M07800 316-0794 7800YBA 316-3862 S677C 316-0669 W6883 316-3866
x ArmorGlide
52.3 ArmorPlating
Boxed
Forging
DLC Piston
Pin
Titanium
Nitride
coated rings
250 SX-F 16-17 14.4:1 78.0 78.0 ArmorGlide Deglaze / Hone 40144M07800 316-8289 7800YBA 316-3862 S677 316-3199 W6883 316-3866
x Strutted
Forging
52.3
250 EXC-F
250 XC-F / XCF-W
14-16
13-14
Stock 78.0 78.0 ArmorGlide Deglaze / Hone PK1894 316-3927 40074M07800 316-0258 S677 316-3199 W6883 316-3866
x Boxed
Forging
52.3
250 EXC-F 2017 14.4:1 78.0 78.0 ArmorGlide Deglaze / Hone 40144M07800 316-8289 7800YBA 316-3862 S677 316-3199 W6883 316-3866
x Strutted
Forging
52.3
350 SX-F 11-15 13.5:1 88.0 88.0 ArmorGlide Deglaze / Hone PK1885 316-0524 40014M08800 316-3831 8800YD 316-3863 S759 379-5674 CW18 316-1905
x
57.5
350 SX-F 11-15 14.5:1 88.0 88.0 ArmorGlide Deglaze / Hone PK1886 316-0525 40015M08800 316-3832 8800YD 316-3863 S759 379-5674 CW18 316-1905
x
57.5
350 SX-F 11-15 14.5:1 88.0 88.0 Racers Choice Deglaze / Hone RC900M08800 316-0665 8800YDA 316-0656 S759C 316-0673 CW18 316-1905
x ArmorGlide
57.5 ArmorPlating
DLC Piston
Pin
Titanium
Nitride
coated rings
WISECO PISTONS (CONT.)