XS650 Engine  ~ Jeff Hunt


I just bought a new (old) engine from Spyder at Black Widow Choppers.  This is my new Winter Project.  I'll try to keep things updated as I progress.

Planned Engine Projects:

With the new-found test bed engine, I hope to explore some of the refinements available for the XS650 engine:

  • 270 Degree Re-Phase of Crank and Camshaft
  • Electronic Ignition
  • Permanent Magnet Alternator
  • Tapped Ports for Oil Cooler and High-Flow Oil Pump

If anyone has helpful hints that they'd like to share, I would appreciate any suggestions and comments.  E-Mail Me.

 


Planned Chassis Projects:

Also on the agenda as time and cash permit:

  • Swing Arm Bushings and Tapered Roller Bearings for Steering.
  • Front Fork Brace and Swing Arm Reinforcement (maybe a few inches stretch as well).
  • Fitting a larger tank from an XS750.
  • Check out the Travelcade Bucket Seat that was added.

XS750 Tank and Motor "In the Raw":

Here is a look at the XS750 Tank ground down to steel, and the approximate fit-up to the motor.  The Sketched Flames / Stripe (click to see sketch) on the tank is a first thought - the lower stripe would be clear coated bare metal with a "brushed" finish, and the flames would be a Translucent Candy Orange showing the "brushed" grain through - the rest of the tank could be last year's Midnight Blue Metallic, or I might switch to Triumph Yellow.  Comments are Welcome.

 


Alternator:

Here are a few photos of the Excited-Field Alternator (The XS650 does not have permanent magnets, and relies on battery power to create a magnetic field):

Click on the photos to enlarge.  Note the common seeping of the clutch pushrod seal to the left of the chain pinion (sprocket).  This is the most common site for oil leaks on the XS650 engine.

MORE SOON !!


Quick Links


Jeff's XS650 Main

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XS650 Engine

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