Page 44 - Big Twin
P. 44
Piston Kit Moly Piston Kit
11-0231 MC Moly Coated Piston Kits
feature cast construction with
moly (moS2) coating which
helps reduce friction and wear,
while allowing adequate break
in. Hastings Moly Rings Set,
wrist pins and locks included.
*Note: Rings only 11-0859
2007-17 2007-13 1340 1340 Evolution
Twin Twin Evolution Evolution 3⁵⁄₈”
V-Twin Piston Kits include 2 cast alloy pistons, genuine Cam Cam 1984-99 1984-99 1984-99
Hastings 3 piece ring set, 2 wrist pins and 4 circlips. OHV 103” 96” Stock Stock 4⁵⁄₈”
Piston Set use 22588-78 pin lock, VT No. 12-0929 Size 9.6:1 9.2 Stroke Stroke Stroker
Standard Comp Comp Comp 8.5:1 11.1:1 9.25:1
Size 1340cc V2 3⁵⁄₈” Big Bore Ratio Ratio Comp Comp Comp
Evolution Evolution 3.875” 3.750” 3.498” 3.498” 3.625”
Stock Stroke 4⁵⁄₈” Stroke Bore Bore Bore Bore Bore
8.5:1 Comp 9.75:1 Comp Standard 11-0279 11-1702 11-9948*
Standard 11-0231 11-1709* .005 11-0888 11-0886 11-0280 11-1704
.005 11-0292
.010 11-0293 .010 11-0889 11-0887 11-0281
.020 11-0294 .020 11-0282
.030 11-0295
.040 11-0296 Wrist Pin Locks, sold as 10 pack. Fits 1983-99,
*Note: Rings Only 11-0859 replaces 22589-83.
VT No. 12-0949
Wrist Pin and Lock Kit fits 1985-99 Evolution,
replaces 22764-83.
VT No. 11-0871
Hastings Piston Ring Sets are
replacements for OEM ring sets and
will also fit our cast pistons. Available
in standard and oversized versions 11-1357
with either moly compression ring
and 3-piece oil control ring. Sold in 80” FL-FX Evolution Hastings
sets for two pistons. 1340cc 6164 2M6164 Patch.
Mfg.#
VT No.
Over 250,000 Sets Served! Standard Cast Moly 48-1479
11-1357
11-0190
88” Twin Cam; 1999-06 FXST, FLST, FXD, FLT .005 11-0191 11-1358
Mfg# 2M4942 Moly .010 11-0192 11-1359
Standard 11-1350 .020 11-0193 11-1360
.005 11-1351 .030 11-0194 11-1361
.010 11-1352 .040 11-0195 11-1362
.020 11-1353
SHOP TIP Piston Installation
95” Big Bore Twin Cam Caution: Do not install piston pin without lubricating it first with motor
Mfg. # 2M4951 Moly oil or assembly lube. Touch up outer edges of piston pins with emery
Standard 11-1354 cloth before installation.
.005 11-1355 1. Refer to applicable service manual for proper installation methods.
.010 11-1356 2. Piston should be measured front-to-rear at the base of piston skirt,
96” Twin (1584cc) 2007-17 FXST, FLST, FXD, 2007-16 perpendicular to wrist pin.
FLT 3. Piston should be set-up with the following tolerances:
Mfg# 2M4805 Moly Recommended piston/cylinder running clearances:
Standard 11-1397 Minimum Maximum Preferred
.005 11-1398 Evolution® Models .0015 .0022 .002
.010 11-1399 (Aluminum Cylinders) .0015 .003 .0025
Big Twin Models
103” Twin Cam (1690cc) 2010-17 FXST, FLST, FXD, (Cast Iron Cylinders)
2010-16 FLT Sportster Models .003 .004 .0035
Mfg# 2M4941 Moly (Cast Iron Cylinders)
Standard 11-1413 Specifications for ring end-gap are supplied with the ring sets and vary
.005 11-1414 by type and size.
.010 11-1415 Note: Run engine at moderate speeds for at least 500 miles, avoiding
excessive running in lower gears, in order to properly break in new
188 pistons and rings.
11-0231 MC Moly Coated Piston Kits
feature cast construction with
moly (moS2) coating which
helps reduce friction and wear,
while allowing adequate break
in. Hastings Moly Rings Set,
wrist pins and locks included.
*Note: Rings only 11-0859
2007-17 2007-13 1340 1340 Evolution
Twin Twin Evolution Evolution 3⁵⁄₈”
V-Twin Piston Kits include 2 cast alloy pistons, genuine Cam Cam 1984-99 1984-99 1984-99
Hastings 3 piece ring set, 2 wrist pins and 4 circlips. OHV 103” 96” Stock Stock 4⁵⁄₈”
Piston Set use 22588-78 pin lock, VT No. 12-0929 Size 9.6:1 9.2 Stroke Stroke Stroker
Standard Comp Comp Comp 8.5:1 11.1:1 9.25:1
Size 1340cc V2 3⁵⁄₈” Big Bore Ratio Ratio Comp Comp Comp
Evolution Evolution 3.875” 3.750” 3.498” 3.498” 3.625”
Stock Stroke 4⁵⁄₈” Stroke Bore Bore Bore Bore Bore
8.5:1 Comp 9.75:1 Comp Standard 11-0279 11-1702 11-9948*
Standard 11-0231 11-1709* .005 11-0888 11-0886 11-0280 11-1704
.005 11-0292
.010 11-0293 .010 11-0889 11-0887 11-0281
.020 11-0294 .020 11-0282
.030 11-0295
.040 11-0296 Wrist Pin Locks, sold as 10 pack. Fits 1983-99,
*Note: Rings Only 11-0859 replaces 22589-83.
VT No. 12-0949
Wrist Pin and Lock Kit fits 1985-99 Evolution,
replaces 22764-83.
VT No. 11-0871
Hastings Piston Ring Sets are
replacements for OEM ring sets and
will also fit our cast pistons. Available
in standard and oversized versions 11-1357
with either moly compression ring
and 3-piece oil control ring. Sold in 80” FL-FX Evolution Hastings
sets for two pistons. 1340cc 6164 2M6164 Patch.
Mfg.#
VT No.
Over 250,000 Sets Served! Standard Cast Moly 48-1479
11-1357
11-0190
88” Twin Cam; 1999-06 FXST, FLST, FXD, FLT .005 11-0191 11-1358
Mfg# 2M4942 Moly .010 11-0192 11-1359
Standard 11-1350 .020 11-0193 11-1360
.005 11-1351 .030 11-0194 11-1361
.010 11-1352 .040 11-0195 11-1362
.020 11-1353
SHOP TIP Piston Installation
95” Big Bore Twin Cam Caution: Do not install piston pin without lubricating it first with motor
Mfg. # 2M4951 Moly oil or assembly lube. Touch up outer edges of piston pins with emery
Standard 11-1354 cloth before installation.
.005 11-1355 1. Refer to applicable service manual for proper installation methods.
.010 11-1356 2. Piston should be measured front-to-rear at the base of piston skirt,
96” Twin (1584cc) 2007-17 FXST, FLST, FXD, 2007-16 perpendicular to wrist pin.
FLT 3. Piston should be set-up with the following tolerances:
Mfg# 2M4805 Moly Recommended piston/cylinder running clearances:
Standard 11-1397 Minimum Maximum Preferred
.005 11-1398 Evolution® Models .0015 .0022 .002
.010 11-1399 (Aluminum Cylinders) .0015 .003 .0025
Big Twin Models
103” Twin Cam (1690cc) 2010-17 FXST, FLST, FXD, (Cast Iron Cylinders)
2010-16 FLT Sportster Models .003 .004 .0035
Mfg# 2M4941 Moly (Cast Iron Cylinders)
Standard 11-1413 Specifications for ring end-gap are supplied with the ring sets and vary
.005 11-1414 by type and size.
.010 11-1415 Note: Run engine at moderate speeds for at least 500 miles, avoiding
excessive running in lower gears, in order to properly break in new
188 pistons and rings.
