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I have a Yamaha BWS 100 2-stroke 2010

The problem I have I have a aftermarket carburettor 28mm and can only use a single cable I have tow split cables but don't fit so I need to get a aftermarket split cable so I can use the automatic oil pump so I don't have to mix the 2-stroke in the fuel I would appreciate if someone could let me know where to get a aftermarket split cable from to work with the oil pump                                       live in Sydney and any mechanics can ring it up for me thank you 

One more thing does anyone know about getting a light bar for my Yamaha BWS 100 because the lights on the bike are not bright enough at night because I live in the country

You don't tell us much about your modifications to the BWS engine.

It also sounds like your trying to install some strange chinese carby which is not a proper replacement for the standard Delorto carby. The proper larger Delorto carburetor is a straight exchange including the throttle cable and electric choke.

The other thing is the BWS 100 does not modify well and it won't go much faster without lots of other mods.

Its normal with these engines to use premix oil or both premix and the oil pump but there is skill plus trial and error in figuring out how much oil to use. more power via a different carby and the standard oil flows will wreck the engine.

Lastly, the seller of the carby should provide a new cable if its needed.

Youwill also need a set of jets for the new carby to reset the mixture.

A long time ago I had a BWS and found tuning the transmission was the best way to get cheap improvements in performance.