These are the known mechanical and performance specifications for your 1930 Norton 490 CS 1.
ModelNorton 490 CS 1
Displacement490.00 ccm (29.90 cubic inches)
DetailsSingle cylinder, four-stroke
Fuel Economy & Polution
SeatSolo seat with springs
Alt. Seat Height
Dry Weight145.0 kg (319.7 pounds)
Wheels & Brakes
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
It appears you're interested in specifications for the Norton 490 CS 1. This Allround model is powered by a Single cylinder, four-stroke engine with 490.00 ccm (29.90 cubic inches) of actual displacement before compression. Fueling is metered via Carburettor allowing this machine to produce its horsepower and torque. According to our records engine heat of the Norton 490 CS 1 is moderated by . You'll need to get familiar with the transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is and the rear is . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Expanding brake (drum brake) front brakes and Expanding brake (drum brake) rear brakes. The Norton 490 CS 1 was launched in 1930, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.