Building a replica - SV650.org

Seeker · 25-03-21, 08:30 AM

Honda RC174 by George Beale.

https://www.rideapart.com/news/49654...rc174-replica/

attention to detail:

“We had the frame tubing made because standard tubing was 0.5mm too wide and on the original some was tapered.”

Craig380 · 25-03-21, 09:22 AM

It's a phenomenal machine, especially the engine. There was an in-depth article in Classic Racer mag a while back, in which Beale said they were lucky enough to be loaned the only surviving unused spare RC174 engine from a guy who'd retired from Honda Japan.

The materials were analysed using various modern techniques and some of the alloys used were unique to Honda - no-one else made those alloys.

To make the camshafts as light as possible but strong, they are not 'straight' rods but bulge out a little in the middle, which means each cylinder's set of cam lobes is ground differently to the adjacent cylinders.

25-03-21, 08:30 AM	#1
Seeker Member Mega Poster Join Date: Jun 2016 Location: NE Lincs Posts: 1,082	Building a replica Honda RC174 by George Beale. https://www.rideapart.com/news/49654...rc174-replica/ attention to detail: “We had the frame tubing made because standard tubing was 0.5mm too wide and on the original some was tapered.” __________________ 2016 SV650AL7 2023 GSX-8S

25-03-21, 09:22 AM	#2
Craig380 Member Mega Poster Join Date: May 2015 Posts: 1,245	Re: Building a replica It's a phenomenal machine, especially the engine. There was an in-depth article in Classic Racer mag a while back, in which Beale said they were lucky enough to be loaned the only surviving unused spare RC174 engine from a guy who'd retired from Honda Japan. The materials were analysed using various modern techniques and some of the alloys used were unique to Honda - no-one else made those alloys. To make the camshafts as light as possible but strong, they are not 'straight' rods but bulge out a little in the middle, which means each cylinder's set of cam lobes is ground differently to the adjacent cylinders.

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