Scottie's Workshop

Repairs, maintenance, and restorations of vintage BMW Motorcycles and Isetta/700 - Airhead and Gen 1 K-bike - Full Service Motorrader Machine Shop: Cylinder Head, Boring/Honing, Precision Grinding, Welding, Crankshaft Rebuilding, Engine and Gearbox repairs, Glasurit 22 and 55 Paint and Hand-Painted Stripes

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Showing posts with label R69S Motor Rebuild. Show all posts

Showing posts with label R69S Motor Rebuild. Show all posts

Sunday, January 08, 2017

Drilling RHS oil galley in early twins blocks

Early blocks did not have RHS piston skirt oiling galley. This often leads to overheated RHS pistons and piston/cylinder scoring, and someti...

Friday, October 11, 2013

Media Blasting Aluminum Cases

When refurbishing a motor, or an entire bike, it is often desired to improve the cosmetic appearance of the cast aluminum cases. There are s...

Wednesday, September 04, 2013

Lapping valve seats

I was hanging out with Joe Groeger this past Sunday. I joined him for breakfast at his usual spot and we had some coffee and oatmeal togethe...

Monday, September 02, 2013

Lightening a /2 flywheel

The stock BMW flywheel is about 13 lbs of tool strength precision steel, drilled and balanced. It has the rear main seal surface on its flan...

Tuesday, August 07, 2012

Project R69S /2 Motor rebuild: Removing the crank

Today, I'm going to remove the crank from this /2 bottom end. This is part of the R69S motor rebuild project. The Slash Two motor is ...

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