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Demo Manufacturing
New  Zealand                                                                    


Welcome to the Demo Manufacturing website!

For sales or more information please email

Specifications of the BINKS 3 Jet Mousetrap Carburettor

1 - 1/16” choke bore
1 - 1/4" mounting stub bore
1 - 3/16 throttle slide

Brass Body as per original

Gun metal throttle slide to minimise friction and wear.
Copper/brass float
Aluminium bowl and brass cap

Body can be supplied in raw brass, polished brass for an authentic "antique" look or Nickel plated for a show winner.

Vintage Replica BINKS 3 Jet Mousetrap Carburettor

Brand new faithfully handbuilt replica of the Model 250 Binks Mousetrap Carburettor.

These instruments have been painstakingly cast, machined and handcrafted to a very high standard by dedicated motorcycle engineers. They are individually hand built to ensure a functional working replica of the world famous 1920's sports/racing carburettor.

This model replica Mousetrap Carburettor has the larger bore and mounting stub which is suitable for larger single and twin cylinder engines, such as;
JAP, Brough Superior, Zenith, New Hudson, Sunbeam, Norton, HRD, AJS, BSA, Rudge, Harley Davidson, Indian etc. 


UPDATE - 2 x Nickel Plated Instruments currently left in stock

- Brass versions sold out - Will be built to order only

Cost is NZ$5,500 (Plus GST for NZ )  Includes 6 x spare jets, 1 x jet tool, tuning/setup documentation  and International Freight & Insurance. 

Important: Any Import or Customs duties and taxes charged at your destination country  are out of our control and these costs must be met by you, the purchaser