Karata Big Twin Primary Belt Drives

Softail -- FXR Road King -- Shovelhead -- Panhead -- Knucklehead -- Sportster

Karata Drive conversions provide contemporary belt drive technology for Big Twins all the way back to 1936.
  1.75'' Softail primary belt drive 1994 - 97
Softail primary belt drive 1994 - 97 1.75''
Electric Start 132-tooth, 8.07 mm Goodyear STPD Kevlar belt
1.750"16020
[not shown]Softail primary belt drive 1994 - 97 1.75''
Kick Start 78-tooth, 13.8mm Gates HTD Polychain belt
1.750"16021
  1.75'' Softail primary belt drive 1990 - 93
 
Softail primary belt drive 1990 - 93 1.75''
Electric Start 132-tooth, 8.07mm Goodyear STPD Kevlar belt
1.750"16017
[not shown]Softail primary belt drive 1990 - 93 1.75''
Kick Start 78-tooth, 13.8mm Gates HTD Polychain belt
1.750"16018
  1.75'' Softail primary belt drive 1986 - 90
Softail primary belt drive 1986 - 89 1.75''
Electric Start 132-tooth, 8.07mm Goodyear STPD Kevlar belt
1.750"16014
  1.75'' Softail primary belt drive 1986 - 89
 
Softail primary belt drive 1986 - 89 1.75''
Electric Start 78-tooth, 13.8mm Gates HTD Polychain belt
1.750"16015
  1.75'' Softail primary belt drive 1984 - 5 16015s
 
1984 - 85 Softail primary belt drive 1.75''
Electric Start 78-tooth, 13.8mm Gates HTD Polychain belt
1.750"16015s
  1990 - 1997 FXR/FLT/ROAD KING 1.75''
1990 - 1997 FXR/FLT/ROAD KING 1.75” PRIMARY BELT DRIVE
Electric Start 69-tooth, 14mm Gates HTD Polychain belt
1990 -93 16016
1994 - 97 16019
[not shown]1990 - 1997 FXR/FLT/ROAD KING 1.75” PRIMARY BELT DRIVE
Electric Start 132-tooth, 8.07mm Goodyear STPD Kevlar belt
1990 -93 16022
1994 - 97 16023
  1.75''  FXR/FLT/ROAD KING primary belt drive 1984 - 89
1984 - 1989 FXR/FLT/ROAD KING 1.75” PRIMARY BELT DRIVE
Electric Start 69-tooth, 14mm Gates HTD Polychain belt
1.750" 16012
[not shown]
1984-1989 FXR/FLT models, Electric Start 132-tooth, 8.07 mm Goodyear STPD Kevlar belt
1.750"16013





BEWARE!!
If you don't see the Karata Logo on the belt, it's not a genuine Karata belt. We are often imitated, but never duplicated!

  1980 - 1984 FXR/FLT  PRIMARY BELT DRIVE 1.500''
Ring Gear not shown is included for electric start applications
1980 - 1984 FXR/FLT PRIMARY BELT DRIVE 1.50” Electric Start 69-tooth, 14mm Gates HTD Polychain belt
1.500" 16011
1980-1984 FXR Sturgis repair assembly
1980-1984 FXR Sturgis repair assembly
1.50” 78-tooth, 13.8mm Gates HTD Polychain belt with 1.50” 24-tooth engine pulley with nut
1.500" 19010
  1.500''  Big Twin primary belt drive 1936 - 84
Ring Gear not shown is included for electric start applications
1.500'' Big Twin primary belt drive 1936 - 84
Kick Start 132-tooth, 8.07mm Gates HTD belt
1936-54 15901
1955-84 15902
[not shown]
1955-1984 Big twin, Electric Start 132-tooth, 8.07mm Gates HTD belt, ring gear included with electric start
1.500"16002
  1.500''  Big Twin primary belt drive 1936 - 84
1.500'' Big Twin primary belt drive 1936 - 84 Kick Start 78-tooth, 13.8mm Gates HTD belt
1936 - 54 15907
1955 - 8415908
[not shown]
1955-1984 Big twin, Electric Start 78-tooth, 13.8mm Gates HTD belt, ring gear included with electric start
1.500" 19010
 
 
1936 - 1984 BIG TWIN 3” OPEN PRIMARY BELT DRIVE
1936 - 1984 BIG TWIN 3” OPEN PRIMARY BELT DRIVE
4-speed FX/FL models 4-speed transmission, Kick Start 144-tooth, 8mm Gates HTD belt
1936-54 15909
1955-84 15910
  1981-1984 Sportster 1.500''
1981-1984 Sportster 1.500" Primary Belt Drive
117-tooth, 8mm Goodyear STPD Kevlar belt

OUT OF STOCK
  1977-1981 Sportster 1.500
1977-1981 Sportster 1.500" Primary Belt Drive
117-tooth, 8mm Goodyear STPD belt

OUT OF STOCK
  1971-1976 Sportster 1.500
1971-1976 Sportster 1.500" Primary Belt Drive
117-tooth, 8mm Goodyear STPD Kevlar belt. Ring gear, not shown, is included with Electric start.

OUT OF STOCK

conversions provide contemporary belt drive technology for Big Twins all the way back to 1936. All primary drives feature removable front belt retainers. It is not necessary to remove the motor pulley or engine nut for belt replacement with .

You don’t have to run a late model to enjoy the benefits of belt drive. Our conventional 1.50" and 1.75” drives are perfect for enclosed primary drives run in stock primary cases, wet or dry. Note: Dry installations require sealed bearings.

Need help? Call Karata for technical assistance or information on special applications at 610-825-2070.

PRIMARY BELT DRIVE ACCESSORIES

  1970 -1984 MAINSHAFT BEARING SUPPORT
1970-1984 Big Twin 4-speed models For primary and rear drives
Includes premium sealed bearing
40062
1970 -1984 MAINSHAFT BEARING SUPPORT
1970-1984 Big Twin 4-speed models For primary only
Includes premium sealed bearing
40062
 
 
1980 -1984 MAINSHAFT BEARING SUPPORT
 
1980-1984 FXR 5-sspeed models For primary and rear drives
Includes premium sealed bearing. Use with kit 18110
40064
 

Karata Enterprises Co
3 River Road
Conshohocken, PA 19428
Phone 610-825-2070
Fax 610-941-6142
Karata@Karata.com