CONVERT ANY 1936-1954 FX/FL 4-SPEED
MODEL TO A SOFTAIL 5-SPEED
KARATA’S INTIMIDATOR SERIES primary belt drives are designed to work on Big Twin models from 1936 to present. INTIMIDATOR SERIES belt drives for Knucklehead models offer a wide selection for customizing classic 4-speed FX/FL models.
Available in two sizes, beefy 4” and traditional 3”, this innovative INTIMIDATOR SERIES primary belt drive converts any 1936-1954 FX/FL 4-speed with rigid frame to accept a 1990-1999 Softail-style 5-speed transmission. This combination installs in the 4-speed swingarm frame with only a slight modification to the transmission case. Rigid frame applications require no modifications, but a Paughco transmission plate is necessary.
1936-1954 FX/FL 4-SPEED MODELS WITH 4-SPEED OR AFTERMARKET 5-IN-4 TRANSMISSIONS
Any 1936-1954 FX/FL 4-speed swingarm model can be fitted with a KARATA INTIMIDATOR SERIES primary belt drive. These belt drives are available for motorcycles running either 1973 - 1978 Ratchet Top 4-speeds or 5-in-4 transmission conversions and are available in two sizes, beefy 4” and traditional 3”.
CUSTOM OPTIONS FOR CUSTOM BIKES
INTIMIDATOR SERIES primary belt drives #16480-16485 are designed for custom motorcycles that use aftermarket
4-speed-style frames or Rigid frames that use ratchet-top 4-speed transmissions. For 1990-1999 Softail transmission conversions, many aftermarket Softail and rigid frames can be used.
Regardless of which transmission option you
choose, the INTIMIDATOR SERIES primary belt
drives offer new options for custom motorcycle
KARATA'S outboard bearing support system is an ideal option for 3” and 4” INTIMIDATOR SERIES belt drives. See Outboard Bearing Supports [OBSS] for the wide assortment of Outboard Bearing Support plates and cover combinations available.
ALL INTIMIDATOR SERIES PRIMARY
BELT DRIVES INCLUDE THE FOLLOWING:
- One-piece billet aluminum motor plate with
sealed mainshaft bearing, installed
- Billet aluminum jackshaft support
- Billet steel starter jackshaft
- Front pulley with steel retaining ring
- Rear pulley with ring gear and double-row
clutch hub bearing, installed
- Goodyear Hibrex with Flexten Plus technology 8mm belt
- Engine shaft nut
- All necessary hardware included