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Transmission base plate by Cannonball

Item №

Bullet-proof version of the stock 1965-1985 transmission mounting plate which is guaranteed not to bend or flex. Precisely machined from high quality Swedish Domex 350 steel, with 2 square front holes to work with carriage bolts (stock equipment 1977→). Unlike original plates it is machined out of one solid piece of steel to provide extra rigidness, which is recommended when using a Cannonball SSK-S electric start system. Of course, this base plate is also good to have with a high performance engine.

  • for swingarm frame 4-speed Big Twins 1958-1985
  • with transmission 1965-1985
  • steel, parkerized
  • length x width: 213 x 101 mm
  • thickness: 12 mm
  • replaces OEM 47698-65C
  • Sweden
  • gross weight: 2.02 kg
net price*
* United States of America: Tax free shipping. Please check your local import fees.
In stock. Ready for immediate delivery from our Würzburg, Germany warehouse.
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See also:

Cannonball StealthStarter SSK-S Kick Drive Swingarm Frame

Cannonball StealthStarter SSK-S Kick Drive Swingarm Frame

The Cannonball Kick Drive electric start kit for 4-speed, swingarm frame Big Twins converts your classic kickstart-only motorcycle to electric start. After installation you just push the button or turn the key and your old Panhead will roar to life instantly.
With the CB Kick Drive electric start kit the transmission receives an intermediate housing between kicker cover and main case, where the starter system attaches. The stock kickstarter can be retained. This intermediate housing will be the only thing visible so the overall appearance of your motorcycle will barely change.
The primary drive, primary housing and oil tank stay untouched, only your stock 2-1 exhaust and the transmission base plates →1964 require small modifications. Since the system works with an unchanged primary drive, it also allows installation of custom belt drives, custom primary covers, running open primaries, etc.
Installation is fairly easy and straightforward. The kit includes everything needed for the conversion except for the battery, wires, starter button/switch and a special clutch throwout bearing, which must be purchased separately. This special throwout bearing acts as a spacer to compensate for the intermediate housing and works with your stock clutch pushrod. Big Twins 1958-1964 also require a longer clutch release lever which is available separately, too. If the bike is still equipped with the early stock 6V charging system you will have to convert this to 12 V, which means a suitable generator, regulator, coil, horn and lamps need to be fitted.
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