Twin or multiple carbs can be an expensive luxury, if they are not delivering equally balanced fuel mixture doses to your cylinders. Carbalancer can tell you with certainty whether the throttles need balancing.

The Tool Connection Limited has made every effort to ensure that
this product is of the highest quality and value to the customer.
However, The Tool Connection accepts no responsibility for any
consequential loss or damage arising from the use of this product.
All technical enquiries regarding this product should be made to The
Tool Connection Technical Service Department: ++44 (0) 1926 818181
or returned to:
The Tool Connection,
Kineton Road,
Southam,
Warwickshire
CV47 0DR
When sending goods for service or repair, please give full details of
faults requiring attention and proof of purchase for warranty claims.
This Warranty does not affect the Statutory Rights of the user.