Engine maintenance kit with M7 nuts, washers and O-rings central crankcase fixing screws for Montesa Impala series engines onwards, this kit is highly recommended when the engine is opened, change the nuts, washers and especially O-rings on the crankcase screws central, they come enough for a complete motor that is usually 11 screws, in addition to some more O-rings.

It includes:

     x12 nuts M7
     x12 washers M7
     X14 O-rings

Valid for:

     All Montesa engines From the Impala to 309 levels (excluding 50c.c. engines)