Service Bulletin

Customer Service Bulletin
Commercial Business Group
Groundsmaster
®
300 Series
Model/Serial Range: Model Number: Serial Numbers:
30739 00000-99999
30741 00000-99999
30788 00000-99999
30795 00000-99999
Subject: Changes to Mitsubishi engine Exhaust and Intake Valves.
The Mitsubishi K3D engine intake and exhaust valves were enlarged along with
corresponding changes to the cylinder head beginning with engine serial number
86155. Parts will no longer interchange with prior engines. Parts listed are available
through your Toro distributor.
Valves, Intake and Exhaust:
Engines with serial numbers of 86155 and greater uses Intake Valve (93-1351) and
Exhaust Valve (93-1352).
Cylinder Head:
Engines with serial numbers of 86155 and greater use a new Cylinder Head (93-1369).
Ref: 03-02 Copyright
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, 1995. The Toro Company