| Firstly these bikes have many restrictive components | | | | and a small increase in overall horsepower. |
| which mean that the pit bike can not perform at its | | | | In a lot of pit bikes there is usually a restrictor in the |
| best all the time. The most restrictive parts on these | | | | CDI unit, these are often limited to around 8,500 rpm, if |
| bikes are the carburettor and the manifold. A carb can | | | | a performance CDI unit is purchased then this will be |
| be picked up for as little as £40-£50 | | | | increased to 10,000 rpm meaning a smoother and |
| which is a bargain for the potential power it could give | | | | more powerful acceleration curve and a higher peak |
| you, and when you have purchased the carb it would | | | | meaning better top end as well. |
| be good to invest in a performance air filter, which | | | | Adjustments can be made to the gearing of the bike |
| allows more air to flow into the engine which equals | | | | as well, in order for you to adjust this depending on the |
| more horsepower! | | | | style of track you will be riding on. If you want to make |
| Next it would be an idea to change the exhaust to a | | | | adjustments to the gearing of the bike the best thing to |
| performance exhaust, this combined with the carb and | | | | do will be to change the sprockets. Standard |
| air filter will mean great power gains. Exhausts can be | | | | sprockets are usually 14 tooth on the front, with a |
| bought for around £50 off some websites but | | | | 37-40 tooth sprockets on the back. |
| then again some of these exhausts retail at hundreds | | | | Changing the front sprocket with a larger one will result |
| of pounds so be sure to shop around before making | | | | in better top end, and a smaller rear sprocket will have |
| your purchase. | | | | the same effect, however acceleration will be lost |
| These two modifications will add low to mid range | | | | when top end is gained and vice versa. |
| torque with a good benefit to the top end of the bike | | | | |