Page 55 - Classic
P. 55
Piston Kit
11-0267
11-9725
11-0273
Note: Piston Kits include Hastings X Ring.
Note: Rings are packaged per piston.
1948-78 1200/74” FL-FLH 9:1 Compression 3⁷⁄₁₆” Bore.
Piston Kit Wiseco Rings MC Moly Coated Piston Kits feature cast construction with
Standard 11-9725 moly (moS2) coating which helps reduce friction and wear,
.010 11-9726 11-9754 while allowing adequate break in. Hastings Moly Rings Set,
.020 11-9727 11-9755 wrist pins and locks included. 8.5:1 comp ratio.
.030 11-9728 CLASSIC
.040 11-9729 Size 3⁷⁄₁₆” 74” 3¹⁄₂” 80”
.050 11-9730 11-9758 1948-84 Rings 1978-84 Rings
.060 11-9731 11-9759 FLH-FX FLH-FXE
.080 11-9732 11-9760 Standard 11-0267 11-1368 11-0273 11-1363
1978-84 1340/80” Shovelhead 7:1 Compression 3¹ ⁄₂” Bore. .010 11-0268 11-1369 11-0274 11-1364
Piston Kit Wiseco Rings .020 11-1370 11-0275 11-1365
Standard 11-9733 11-9759
.020 11-9735 11-9760 .030 11-1371 11-1366
.030 11-9736 11-9764 .040 11-0271 11-1372 11-0277 11-1367
.040 11-9737 11-9765 .050 11-0272 11-1373 — —
1978-84 1340/80” Shovelhead 8.5:1 Compression 3¹ ⁄₂” Bore. Forged Piston Kits
Piston Kit Wiseco Rings
STD 11-9444 11-9759 KB PERFORMANCE PISTONS
.010 — 11-9762
.020 11-9446 11-9760
.030 11-9447 11-9764
.040 — 11-9765 11-2204
1978-84 1340/80” Shovelhead 9.5:1 Compression 3¹ ⁄₂” Bore.
Piston Kit Wiseco Rings
STD 11-9738 11-9759
.010 11-9739 11-9762
.020 11-9740 11-9760
.030 11-9741 11-9764
.040 11-9742 11-9765
Wiseco Replacement Wrist Pins are sold each.
VT No. Bore Size
11-9776 3 ³⁄₁₆” and 3⁷⁄₁₆” The Keith Black 390 Hypereutectic alloy is cast in a per-
11-9777 3 ¹⁄₂” manent steel mold.
Wiseco Replacement Circlips fit all Wiseco pistons, Engine Panhead 1340cc 1340cc
available in pairs. Fits 3⁷⁄₁₆” and 3¹⁄₂” bore pistons. Shovelhead Shovelhead Shovelhead
VT No. 11-9773 Model FLH-FX FLH-FX FLH-FX
Years 1941-79 1980-84 1980-84
C.I.D. 74” 80” 80”
Bore 3.438” 3.498” 3.498”
Stroke 3.969” 4.250” 4.250”
Head Type .656 Dome .426 Dome
Cylinder Height 5.330” 5.330” 5.330”
Compression 9.0:1 7.2:1 8.3:1
Ratio
Standard 11-2200 — 11-2251
SHOP TIP Piston Installation
Caution: Do not install piston pin without lubricating it first with motor oil or assembly lube. .005 11-2201 11-2235 11-2252
Touch up outer edges of piston pins with emery cloth before installation.
1. Refer to applicable service manual for proper installation methods. .010 11-2202 11-2236 11-2253
2. Piston should be measured front-to-rear at the base of piston skirt, perpendicular to wrist
pin. .020 11-2203 11-2237 11-2254
3. Piston should be set-up with the following tolerances: .030 11-2204 — 11-2255
Recommended piston/cylinder running clearances:
Minimum Maximum Preferred .040 11-2205 — 11-2256
Evolution® Models .0015 .0022 .002
(Aluminum Cylinders) .050 11-2206 — —
Big Twin Models .0015 .003 .0025
(Cast Iron Cylinders) .060 11-2207 — —
Sportster Models .003 .004 .0035
(Cast Iron Cylinders) .070 11-2208 — —
Specifications for ring end-gap are supplied with the ring sets and vary by type and size.
Note: Run engine at moderate speeds for at least 500 miles, avoiding excessive running in .080 11-2209 — —
lower gears, in order to properly break-in new pistons and rings.
523
11-0267
11-9725
11-0273
Note: Piston Kits include Hastings X Ring.
Note: Rings are packaged per piston.
1948-78 1200/74” FL-FLH 9:1 Compression 3⁷⁄₁₆” Bore.
Piston Kit Wiseco Rings MC Moly Coated Piston Kits feature cast construction with
Standard 11-9725 moly (moS2) coating which helps reduce friction and wear,
.010 11-9726 11-9754 while allowing adequate break in. Hastings Moly Rings Set,
.020 11-9727 11-9755 wrist pins and locks included. 8.5:1 comp ratio.
.030 11-9728 CLASSIC
.040 11-9729 Size 3⁷⁄₁₆” 74” 3¹⁄₂” 80”
.050 11-9730 11-9758 1948-84 Rings 1978-84 Rings
.060 11-9731 11-9759 FLH-FX FLH-FXE
.080 11-9732 11-9760 Standard 11-0267 11-1368 11-0273 11-1363
1978-84 1340/80” Shovelhead 7:1 Compression 3¹ ⁄₂” Bore. .010 11-0268 11-1369 11-0274 11-1364
Piston Kit Wiseco Rings .020 11-1370 11-0275 11-1365
Standard 11-9733 11-9759
.020 11-9735 11-9760 .030 11-1371 11-1366
.030 11-9736 11-9764 .040 11-0271 11-1372 11-0277 11-1367
.040 11-9737 11-9765 .050 11-0272 11-1373 — —
1978-84 1340/80” Shovelhead 8.5:1 Compression 3¹ ⁄₂” Bore. Forged Piston Kits
Piston Kit Wiseco Rings
STD 11-9444 11-9759 KB PERFORMANCE PISTONS
.010 — 11-9762
.020 11-9446 11-9760
.030 11-9447 11-9764
.040 — 11-9765 11-2204
1978-84 1340/80” Shovelhead 9.5:1 Compression 3¹ ⁄₂” Bore.
Piston Kit Wiseco Rings
STD 11-9738 11-9759
.010 11-9739 11-9762
.020 11-9740 11-9760
.030 11-9741 11-9764
.040 11-9742 11-9765
Wiseco Replacement Wrist Pins are sold each.
VT No. Bore Size
11-9776 3 ³⁄₁₆” and 3⁷⁄₁₆” The Keith Black 390 Hypereutectic alloy is cast in a per-
11-9777 3 ¹⁄₂” manent steel mold.
Wiseco Replacement Circlips fit all Wiseco pistons, Engine Panhead 1340cc 1340cc
available in pairs. Fits 3⁷⁄₁₆” and 3¹⁄₂” bore pistons. Shovelhead Shovelhead Shovelhead
VT No. 11-9773 Model FLH-FX FLH-FX FLH-FX
Years 1941-79 1980-84 1980-84
C.I.D. 74” 80” 80”
Bore 3.438” 3.498” 3.498”
Stroke 3.969” 4.250” 4.250”
Head Type .656 Dome .426 Dome
Cylinder Height 5.330” 5.330” 5.330”
Compression 9.0:1 7.2:1 8.3:1
Ratio
Standard 11-2200 — 11-2251
SHOP TIP Piston Installation
Caution: Do not install piston pin without lubricating it first with motor oil or assembly lube. .005 11-2201 11-2235 11-2252
Touch up outer edges of piston pins with emery cloth before installation.
1. Refer to applicable service manual for proper installation methods. .010 11-2202 11-2236 11-2253
2. Piston should be measured front-to-rear at the base of piston skirt, perpendicular to wrist
pin. .020 11-2203 11-2237 11-2254
3. Piston should be set-up with the following tolerances: .030 11-2204 — 11-2255
Recommended piston/cylinder running clearances:
Minimum Maximum Preferred .040 11-2205 — 11-2256
Evolution® Models .0015 .0022 .002
(Aluminum Cylinders) .050 11-2206 — —
Big Twin Models .0015 .003 .0025
(Cast Iron Cylinders) .060 11-2207 — —
Sportster Models .003 .004 .0035
(Cast Iron Cylinders) .070 11-2208 — —
Specifications for ring end-gap are supplied with the ring sets and vary by type and size.
Note: Run engine at moderate speeds for at least 500 miles, avoiding excessive running in .080 11-2209 — —
lower gears, in order to properly break-in new pistons and rings.
523