Rimar Motors, in the Netherlands, is in the advanced stages of machining and assembling a 600cc 2 stroke, V-twin engine, designed to be installed in a 2004 Aprilia RSV1000R frame. The project has been going on for about a year and they've put up detailed photos of the entire process. The engine uses reed valves and two counter-rotating crankshafts. Cylinders come from a … [Read more...]
Kawasaki Offering Factory Reproduction Cylinder Heads for Your 1970s Era Z1
If you've been to any gathering of vintage motorcycles or if you keep your eye on motorcycles for sale, you might have noticed how many beautifully restored Kawasaki Z1s keep showing up. The Z1, fast approaching 50 years old, was and still is extremely popular and for good reason, they are a great looking bike and they really set the bar for performance when they were … [Read more...]
Nembo 32 Type 3 Provocator Continues Development of Unique Design
It was just over 9 years ago that we unveiled the Nembo 32 here on The Kneeslider. The inverted three cylinder engine sparked a lively conversation in the comments with both cheers and jeers in abundance. Daniele Sabatini, continued development of his engine and built a complete motorcycle around it which was track tested and performed quite well. Production and sale of the … [Read more...]
When the Factory Gets it Wrong and You Have to Fix it
After clearing out all of this new workspace in the garage, I was looking for a worthy first project so I thought I'd start by changing the spark plugs on my F150. If you're thinking plug changes are easy, you have to know this is a 2004 Ford F150 with a Triton V8 engine. So what, you might ask? Well, back in the early 2000s, they designed the Triton V8 with a somewhat unique … [Read more...]
Russell Sutton’s 14 Cylinder Yamaha XV Radial Engine Meets the Neighbors
New visitors stopping by The Kneeslider recently may not have seen Russell Sutton's radial engine project before. He's been working on it in his shed for about 4 years now since we first wrote about it and it's coming together quite nicely. Just think, a twin row, 14 cylinder radial engine utilizing 14 cylinders and heads from a Yamaha Warrior XV 1700, fitted to a crankcase and … [Read more...]
Neander Turbo Diesel Finds a Home on the Water as the Dtorque 111 Outboard
Way back in 2006 and 2007 we wrote about the Neander turbo diesel engine and the motorcycle built around it. The engine's design was unique due to its counter rotating crankshafts with a pair of connecting rods, one from each crank joining together to drive a single piston. It was a great way to eliminate the vibration normally associated with diesels and it looked like a fine … [Read more...]
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