553
CLASSIC
Self Adjusting Chain
Tensioner fits models with wet
clutch. The tensioner replaces
factory type detent adjuster shoe
assembly. Tensioner kit includes
all hardware and instructions for
complete conversion. Fits 1965-
2000.
VT No. 18-0580
18-0580
Chain Tensioner Parts fit Big Twin models.
VT
No.
#
OEM Type
Year
18-8247 All
Complete Kit
1965-84
18-8314 All
Complete Kit
1985-99
18-3217 B-C-F-G
Hardware Kit
37-9030 A 1783
Screw, 10 pack
37-8801 B 3862B
Bolt, 5 pack
18-3682* C 4401W
Hex Bolt, each
28-0225 E 39976-65B Nylon Pad
1965-00
28-0568 E —
Red Nylon Pad
17-0915 G 39996-65
Lock, 10 pack
18-3218 H 39990-65
Shoe Mount Bracket
1965-00
18-3219 F 39993-65
Plate
18-3622 I 39992-65A Nut and
J 39998-65
Anchor Plate includes also
18-3634 J —
Anchor Plate with carriage bolt (K)
37-8802 K 5444
Carriage Bolt, 5 pack
18-3223 I 39992-65A Nut Only
37-0670 L
Nyloc Nuts
37-9277 M
Washers
*Note: Early style hex bolt screws into 18-3223 nut.
York Big Twin Hydraulic
Primary Chain
Tensionator
TM
features
a hydraulic valve which
controls the motion of the
submerged piston which
constantly keeps the
chain in tension for 1965-
06 Big Twins.
VT No. Item
18-0120 Kit
18-0128 Shoe
Primary Chain Tensioner
Primary Chain Nylon Liners.
VT No.
OEM
Year
28-0233 39976-65 1965
28-0225 39976-65B 1966-84
28-0568 Red
1966-84
28-0568
28-0225
18-0581 Installed
18-0581
18-0581
Installed
18-8314
18-8247
York Chain Adjuster Kits fea-
ture automatic self adjusting by
use of spring loaded shoe.
VT No. Year
18-0580 1965-00
18-0581 2001-06
Primary Chain and
Sprocket Kit includes
a 23 tooth motor
sprocket, and a York
oval style 82 link prima-
ry chain.
VT No. Item
19-0272 1941-54
19-0765 1955-69
19-0770 1970-85
19-0765
19-0770
19-0272
18-8314
H
A
B
E
I
G
F
J
C