1930 Norton Model 18
Updated August 7, 2026
| Lot number | 601 |
| Auction | Oily Rag Rare Parts & Bikes Winter Auction August 2026 |
| Date | August 16, 2026 at 6:13 AM EDT |
| Auction house | Oily Rag Auctions |
| Location | Richmond |
The 1930 Norton Model 18 is a legendary 490cc overhead-valve (OHV) single-cylinder vintage sports motorcycle. Known for its racing pedigree and "thumping" performance, the 1930 edition featured notable updates including modern saddle tanks, Webb girder forks, and an aluminum primary chaincase.Engine & PowertrainEngine Type: Air-cooled, four-stroke, single-cylinder OHVDisplacement: 490 cc (often marketed broadly as 500 cc)Bore and Stroke: 79 mm × 100 mmLubrication: Dry-sump system with gear oil pumpIgnition: Lucas Magneto (often Magdyno)Transmission: Chain-driven via Sturmey-Archer 3-speed or 4-speed gearboxChassis & Cycle PartsFrame: Full cradle with single down-tubeFront Suspension: Webb girder forksRear Suspension: Rigid (hardtail)Brakes: Single-leading-shoe (SLS) drum brakes (front and rear)PerformancePower Output: ~20 to 21 horsepowerTop Speed: Approximately 120 to 130 km/h (75–80 mph). this is a rare opportunity to own one of the most desirable motorcycles of the vintage era. This bike has been rallied reliably for many years, and ready to do many more.
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