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Get Belted | Ultima 2-Inch Old School Belt Drive

Tech Swap

By , Photography by Hot Bike Staff
Ultima 2 Inch Old School Belt Drive
  • Ultima 2 Inch Old School Belt Drive
    06. He was then able to remove the stock chaindrive assembly followed by the inner primary.
    Ultima 2 Inch Old School Belt Drive
    06. He was then able to remove the stock chaindrive assembly followed by the inner primar
  • Ultima 2 Inch Old School Belt Drive
    07. The pressed-on transmission main shaft also had to be removed. At this point the directions recommended replacing the stock crankshaft seal with a new high-quality double lip seal to help keep the beltdrive assembly free of crankcase oil.
    Ultima 2 Inch Old School Belt Drive
    07. The pressed-on transmission main shaft also had to be removed. At this point the dire
  • Ultima 2 Inch Old School Belt Drive
    08. Next Kazoo began installing the beltdrive by mocking up the motor plate. The Ultima beltdrive has a slightly longer center-to-center distance between the pulleys than the stock sprocket setup. Therefore the transmission mounting bolts had to be loosened up so the motor plate could be properly installed.
    Ultima 2 Inch Old School Belt Drive
    08. Next Kazoo began installing the beltdrive by mocking up the motor plate. The Ultima b
Ultima 2 Inch Old School Belt Drive
09. Once he had the motor plate properly in place and the trans was sitting square on the frame, Kazoo torqued down the trans mounting bolts. He then tightened the motor plate to the engine and trans utilizing thread locker on the bolts and following the torque specs called out by the directions. The Ultima beltdrive requires the use of an ’89-93-type starter driveshaft, which uses a larger 1/4-20 fastener. So kazoo installed the new starter gear assembly and mocked up the clutch basket assembly and motor pulley.
Ultima 2 Inch Old School Belt Drive
09. Once he had the motor plate properly in place and the trans was sitting square on the frame, Kazoo torqued down the trans mounting bolts. He then tightened the motor plate to the engine and trans utilizing thread locker on the bolts and following the torque specs called out by the directions. The Ultima beltdrive requires the use of an ’89-93-type starter driveshaft, which uses a larger 1/4-20 fastener. So kazoo installed the new starter gear assembly and mocked up the clutch basket assembly and motor pulley.
  • Ultima 2 Inch Old School Belt Drive
    10. He then mounted up the trans pulley and slipped the belt around it. He then slipped the front of the belt onto the motor pulley and slid the pulley into position.
    Ultima 2 Inch Old School Belt Drive
    10. He then mounted up the trans pulley and slipped the belt around it. He then slipped t
  • Ultima 2 Inch Old School Belt Drive
    11. With everything aligned he then made sure the pulley nuts were properly torqued to spec.
    Ultima 2 Inch Old School Belt Drive
    11. With everything aligned he then made sure the pulley nuts were properly torqued to sp
  • Ultima 2 Inch Old School Belt Drive
    12. The beltdrive kit came with high-performance steel and friction plates from Alto Products Corp.
    Ultima 2 Inch Old School Belt Drive
    12. The beltdrive kit came with high-performance steel and friction plates from Alto Prod
  • Ultima 2 Inch Old School Belt Drive
    13. Kazoo installed the clutch plates into the clutch basket in an alternating pattern starting with a steel plate and ending with a friction plate.
    Ultima 2 Inch Old School Belt Drive
    13. Kazoo installed the clutch plates into the clutch basket in an alternating pattern st
  • Ultima 2 Inch Old School Belt Drive
    14. After applying a light coat of anti-seize on the clutch adjusting screw, Kazoo aligned the indicator marks on the pressure plate and clutch hub, then installed the pressure plate. Aligning the marks ensured that the clutch hub studs would be centered in the appropriate pressure plate holes so that the clutch springs could be properly installed and torqued to spec. For high horsepower applications, Midwest offers optional heavy-duty springs.
    Ultima 2 Inch Old School Belt Drive
    14. After applying a light coat of anti-seize on the clutch adjusting screw, Kazoo aligne
  • Ultima 2 Inch Old School Belt Drive
    15. At the front of the beltdrive, Kazoo installed the motor pulley cap and torqued the bolts to spec with threadlocker.
    Ultima 2 Inch Old School Belt Drive
    15. At the front of the beltdrive, Kazoo installed the motor pulley cap and torqued the b
  • Ultima 2 Inch Old School Belt Drive
    16. The heel guard was then bolted to the motor plate.
  • Ultima 2 Inch Old School Belt Drive
    17. Lastly Kazoo installed the starter gear cover with the supplied bolts and some threadlocker. In a couple of hours the boring enclosed chain primary was swapped out for a more industrial-looking beltdrive setup. The 2-inch Old School Belt Drive looked great on the bike, and when put to use, it operated smoothly and easily handled the power output.
    Ultima 2 Inch Old School Belt Drive
    17. Lastly Kazoo installed the starter gear cover with the supplied bolts and some thread

Source:
Midwest MC Supply

midwestmc.net | midwest@midwestmc.net

Freedom Cycles
(714) 628-0049 | freedomcyclesoc.com

hot.bike@sorc.com

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