April 23, 2010

BMW R100GS frame and engine refurb

My R100GS Paris Dakar is currently at the very good (and friendly) Nu-Age Racing in Kenilworth having some major refurbishment work done.

The frame has been blasted and powder coated. The result is excellent, like it has just rolled off the production line:

Powder coated GS frame

After 85,000 miles, a new timing chain has been fitted as a precautionary measure:

GS crankase

As with most old airheads, the pushrod seals are leaking. They are being replaced, and stainless steel pushrod tubes added:

Heads and barrels

Taking the engine apart has revealed quite a lot of carbon deposits on the pistons and around the valves, one of which will be replaced (an exhaust valve went a few years ago):

GS piston

The gearbox and drive shaft seem fine:

GS gearbox

I'm also having the carbs refurbished.

When that is all complete, i'll be fitting the wiring loom (re-bound) and adding new twin headlights and a small digital speedo (with the old plastic fairing removed).

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    23 Apr 2010, 17:13

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