Amongst others our product range includes original replacement and sports carburetors, carburetor jets and intake manifolds.
Combining a racing cylinder with a larger carburetor would best answer the ultimate goal: HIGHER SPEED! As a general rule a larger carb helps to improve cylinder filling level, thereby leading to higher rev and finally ending up in increased top speed.
In order to get smooth driving characteristics, any change on your scooter requires carburetor adjustments.
Some of the Naraku parts are not exact OEM replacements and might require adjustment.