How do you calculate sprockets?
Calculating the Sprocket Ratio The sprocket ratio is simply the number of teeth on the driving sprocket (T1) divided by the number of teeth on the driven sprocket (T2). If the front sprocket on a bicycle has 20 teeth and the rear sprocket has 80, the sprocket ratio is 20/80 = 1/4 = 1:4 or simply 4.
How fast does a ATC 250r go?
Cited at the first high performance ATC introduced, production began with an air-cooled, 248 cc single-cylinder two-stroke engine, but would see a liquid-cooled, 246 cc engine by 1985….Honda ATC250R.
| Manufacturer | Honda |
|---|---|
| Bore / stroke | 66 x 72mm |
| Compression ratio | 142 – 170psi |
| Top speed | < 60 Mph |
| Ignition type | CDI |
When did the 1987 ATC250R come out?
The 1987 ATC250R models were released in limited numbers in Europe and Canada. While rumors persist that the 1987 Models were intended to feature new colors, a redesigned logo, and possibly keyed ignition, these models were virtually identical to the ‘86 offering.
What kind of competition does the Honda ATC250R have?
The Honda ATC250R’s competition came largely from the Kawasaki KXT Tecate 250 and Yamaha Tri-Z 250, and to a smaller extent from companies such as Tiger ATV. From in-house, the ATC250R is often compared to the Honda ATC350X, a sport ATC featuring a 350cc 4-stroke engine.
What was the fuel delivery in the 1983 ATC250R?
The 1983 ATC250R incorporated many improvements, introducing the Pro-Link suspension, folding foot pegs, a larger fuel tank, slightly longer travel suspension in front and rear. While the engine design remained similar, the Fuel delivery was increased from the previous 27 mm, to a 30 mm round-slide carburetor
What kind of suspension does a Honda ATC 250R have?
This Incredible 1985 Honda ATC 250R Survivor. The Honda ATC 250R you see here is an original, unrestored survivor in remarkable condition throughout. As a 1985 model this trike benefits from the best Pro-Link suspension that was ever offered with this model, as well as front and rear disc brakes, and the uprated liquid-cooled engine.
What was the year of the Honda ATC250R?
1986 was a lite follow up for the all new 1985 250R, small geometry adjustments, a stronger frame and other small improvements complimented an already awesome machine.
The 1983 ATC250R incorporated many improvements, introducing the Pro-Link suspension, folding foot pegs, a larger fuel tank, slightly longer travel suspension in front and rear. While the engine design remained similar, the Fuel delivery was increased from the previous 27 mm, to a 30 mm round-slide carburetor
What kind of engine does a Honda 250R have?
The 250r quickly made a name for itself, being the first true hi-performance ATV ever offered by a mainstream manufacturer. The 1981 was a instant success incorporating full motorcycle suspension for offer a plush ride and a powerful 2 stroke motocross bike engine to propel the 250R to the forefront of the racing scene.