What gearing should I use motocross?
Gear Ratio Chart for Dirt Bikes
| 10 Front | 12 Front | |
|---|---|---|
| 60 Rear | 6.00 | 5.00 |
| 59 Rear | 5.90 | 4.92 |
| 58 Rear | 5.80 | 4.83 |
| 57 Rear | 5.70 | 4.75 |
How do you make a sprocket faster on a dirt bike?
You can gear up by using a smaller rear sprocket or a larger countershaft/front sprocket. Gearing up adds more speed and decreases the final drive ratio. You can gear down by using a larger rear sprocket or a smaller front sprocket.
How powerful is a 250cc dirt bike?
If you are a pro at dirt bike riding and you want to experience real power while riding, then get a 250cc dirt bike. 250cc dirt bike delivers powerful acceleration with high performance. Depending on the type of engine, a 250cc dirt bike comes at a maximum speed of between 55 to 70 mph (90-113 km/h).
How much does a YZ250 weight?
approximately 212 lb
In the 2005 model year the YZ250 gained a new frame made from aluminum that reduced the dry weight to approximately 212 lb (96 kg).
Is it better to have more teeth on a sprocket or less?
A front sprocket with fewer teeth works the chain harder and robs power, as the chain has to curl more to match the smaller diameter. In general, a 14 tooth front sprocket is the smallest advisable, with 13 being used in extreme cases. One thing to watch is clearance between the swingarm and chain.
Is a Yamaha YZ250 a good bike for dirt racing?
For racing, there’s a small window of conditions where a YZ250 has an advantage over a four-stroke. If you can custom order a track with loamy dirt, excellent traction and smooth jump faces, a YZ250 is in its element. There’s no bike that’s as much fun and effective.
How many teeth on my YZ250 gearing?
Hey everyone!, I would like to know if the gearing on my yz250 is alright… It’s: 15 Teeth on the front/ 48 Teeth on the rear. How is this? I only do trail riding, sand pit riding etc…
Are 2-strokes lighter than 4-strokes on the YZ250?
Yes, two-strokes are still lighter than four-strokes, at least in this case. The YZ250 is 10 pounds lighter than the YZ250F. So the phrase “all-new” doesn’t apply here.
Can you run 15/38 gears on a YZ250?
As an extreme example, I ran 15/38 gearing on my 2002 YZ250 at a roadcourse out here called Buttonwillow. It was with 17″ wheels /tires, so the overall ratio is a little lower than if I had done it w/ the stock 19″.