482
Flywheel
Complete Flywheel Assembly for OHV models, is shipped com‑
plete, assembled and trued with shafts.
VT No. OEM
Fits
Stroke Note Brand
10-1070 —
1936‑40 61” 4
2
V‑Twin
10-1172 —
1941‑52 61” 4
2
V‑Twin
10-1007 23906‑41 1941‑53 74” 4
2
V‑Twin
10-1112 Stroker
1941‑53 80” 4¹⁄₄ 2 V‑Twin
10-1113 Stroker
1941‑53 84” 4¹⁄₂ 2 V‑Twin
10-1033 23907‑54A 1954 Only
4
2
V‑Twin
10-1034 23907‑55A 1955‑57
4
2
V‑Twin
10-1008 23906‑58 1958‑64 74” 4
2
V‑Twin
10-1090 —
1958‑64 80” 4¹⁄₄ 2 V‑Twin
10-1002 —
1958‑64 80” 4¹⁄₄ 2 S&S
10-1000 23906‑58 1958‑64 74” 4
2
S&S
10-1001 23906‑65A 1965‑69 74” 4
2
S&S
10-1003 —
1965‑69 80” 4¹⁄₄ 2 S&S
10-1089 —
1965‑69 80” 4¹⁄₄ 2 V‑Twin
10-1082 —
1965‑69 74” 4
2
V‑Twin
10-1048 23906‑70 1970‑72 74” 4
2
V‑Twin
10-1096 23906‑73 1973‑77 74” 4
2
V‑Twin
10-1045 23906‑78A 1973‑E83 80” 4¹⁄₄ 2,4 V‑Twin
10-1091 As Above 1973‑90 80” 4¹⁄₄ 3,4 Sifton
10-1047 Special
Alt‑Gen 80” 4¹⁄₄
1,3 S&S
10-1098 Special
Alt‑Gen 80” 4¹⁄₄
1,2 V‑Twin
Notes:
1‑Special 80” flywheel assembly used for alternator‑generator case sets only. Feature late type
sprocket shaft and early style pinion shaft.
2‑Features replaceable pinion and sprocket shafts and thick sprocket side flywheel.
3‑Features replaceable pinion and sprocket shafts and narrow sprocket side flywheel.
4‑Require use of 1987‑up type pinion shaft bearing and retaining ring.
Flywheel Assemblies feature full weight flywheels, with
removable pinion and sprocket shafts as original, trued and
balanced for cast pistons. Units include forged and machined
H‑Beam Sifton connecting rod set of certified 4340 steel
with multistage heat treatment and are fitted with Torrington
Rollers, with alloy bearing retainer cages.
VT No. Year
Stroke
10-1077 1965‑69
3.968”
10-1078 1958‑64
3.968”
10-1079 1955‑57
3.968”
10-1080 1954
3.968”
10-1081 1941‑53
3.968”
10-1097 1973‑77
3.968” Stock 74”
10-1078
Rod ends are
matched +/- 2
grams
4340 heat
treated
steel rods
Rod sets
average
1.25 kg
Guaranteed
unbreakable
110,000 psi
ductile iron
flywheels
VT No. Fits
Type
O. D.
10-1043* 1936‑40 OHV 61”
Stock
8 1/8”
10-1105 1941‑52 OHV 61”
Stock
8 1/2”
10-1005 1941‑53 Big Twin 74”
Stock
8 1/2”
10-1114 1941‑53 Big Twin 80”
Stroker 8 1/2”
10-1115 1941‑53 Big Twin 84”
Stroker 8 1/2”
10-1006 1956‑69 Big Twin 74”
Stock
8 1/2”
10-1124 1956‑69 Big Twin 80”
Stroker 8 1/2”
10-1025 1972‑80 80” with 8° taper Stock
8 1/2”
10-1026 L1981‑85 80” with 6° taper Stock
8 1/2”
10-1029 1970‑71 Big Twin74”
Stock
8 1/2”
10-1028 1973‑78 Big Twin74”
Stock
8 1/2”
*Note: Accepts later tapered pin 1941‑80 type.
Flywheel Thrust Washer Set used on
1929‑54, 61, 74 and 80 Twins, our set con‑
tains 2 more washers than the original set, one thinner and one
thicker than stock. The 11‑piece set contains one each of the fol‑
lowing widths; .060, .066, .070, .074, .078, .082, .086, .090, .094,
.098, and .102.
VT No. 10-1153 (Complete Set .060‑.102 11 piece)
VT No.
Size
10-1300
.060
10-1301
.066
10-1303
.074
VT No.
Size
10-1304
.078
10-1306 .086
Replica
Flywheel
with stock
rods
10-1007
Replica Flywheel Sets feature cast construction to accept OE
style components.
VT No. Year Model
Stroke
10-1601 1941‑53 Big Twin, 74”
3.968
10-1126 1956‑69 Big Twin, 74
3.968
10-1602* 1973‑99 Big Twin, 80”
4.250
10-1125 1972‑78 Big Twin, 74”
3.968
10-1635* 1973‑99 Big Twin
4.250
*Note: 10‑1602 features thick sprocket side
flywheel and 10‑1635 has narrow side flywheel.
10-1601
10-1089
10-1047
10-1045
Truett & Osborn Flywheel Sets fea‑
ture original weight right and left sides
with stock stroke.