This is the current barrel assembly for the RJL K.61

Barrel is part number -- 82-0102
Throttle arm -- part number 86-0101

Needle receptical/throttle arm
lock -- part number 84-0104

The is the second version of the K.61 Carburetor barrel.

The current version replaces this perfectly.

Barrel is no longer available
Friction o-ring -- part number 27-0182 (same as main needle o-ring)
Throttle arm -- part number 86-0101
Circlip -- part number 83-0103

First Version

This used a metal throttle arm and a lock nut for attachment

Barrel is no longer available
Throttle arm Stamped Steel -- part number 83-0101
Throttle Arm Lock Nut -- part number 84-0102