SKU:32-1947
Forward-position magneto mounting that directly replaces the generator on Harley Davidson W models from 1937 through 1946, delivering a bolt-on drive unit designed to work with XR/WR magneto components.
What’s included: cam gear, magneto gear, idler gear, relocation stud, adapter plate, bearing housing, and a drive unit engineered to bolt in place for secure installation.
Fit and installation specifics: the drive unit bolts directly in place of the generator on 45 models, requiring 5/16 x 24 screws. For early 1958–1973 G cases, drilling is necessary to accept the screws; the generator holes on 45 and UL flathead cases must be relieved by filing for proper mounting. The process involves machining the right side engine case (generator port and strap mount area) and relocating the idler gear with a drives magneto, which necessitates engine-case clearance modifications. The inner cam chest must also be modified to accommodate the idler gear spindle.
Timing and compatibility notes: the kit does not include timing marks on gears or a keyway on the shaft, so precise timing adjustments must be made during installation. The WR cam cover must be ordered separately, and the kit does not include the magneto head. The idler gear requires two bearings for proper operation. It is recommended to pair this kit with the #32-1492 XR/WR Magneto Idler Gear Spindle Raw for best results.
Support and origin: detailed online installation instructions are available to guide you through a successful setup. The kit is manufactured in Taiwan and includes XR Burkhardt Magneto Head Assembly, WR Forward Magneto Tapered Drive Gear, XR/WR Magneto Adapter Plate, and related accessories to support a complete magneto installation.
Burkhardt magneto drive assembly is for use with Flathead Harley models. Kit includes cam gear magneto gear idler gear relocation stud adapter plate and bearing housing.The Motorshop WR-XR Magneto Mount Kit is designed for seamless installation in Harley Davidson W models from 1937 through 1946. This assembly mounts in the forward position where the generator was originally located, providing a reliable and secure fit. The kit includes a drive unit that bolts directly in place of the generator on 45 models, requiring 5/16 x 24 screws for installation. For early 1958-1973 G cases, drilling is necessary to accept the screws, while the generator holes on 45 and UL flathead cases must be relieved by filing for proper mounting. The assembly does not include timing marks on gears or a keyway on the shaft, so precise timing adjustments should be made during installation. The process involves machining the right side engine case, including the generator port and strap mount area, and relocating the idler gear with a drives magneto, which necessitates modifications to the engine case for clearance. The inner cam chest must also be modified to accommodate the idler gear spindle. Note that the kit requires ordering the WR cam cover separately and does not include the magneto head. For optimal performance, it is recommended to use this kit with the #32-1492 XR/WR Magneto Idler Gear Spindle Raw. The idler gear requires two bearings for proper operation. Detailed installation instructions are available online, providing step-by-step guidance for a successful setup. This kit is manufactured in Taiwan and includes accessory items such as the XR Burkhardt Magneto Head Assembly, WR Forward Magneto Tapered Drive Gear, and XR/WR Magneto Adapter Plate, among others, to support complete magneto assembly and installation. Proper modification and machining are essential components of this installation, ensuring the magneto functions correctly and integrates seamlessly with vintage Harley Davidson engines.
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