O.S. Engines 21VZ-R - Manual (Page 6)

BASIC ENGINE PARTS
With this engine, the piston will feel tight at the
top of its stroke when the engine is cold. This is
normal. The piston and cylinder are designed to
achieve a perfect running clearance when they
reach their normal running temperatures.
Heatsink Head
Carburetor
Type 20K
Crankshaft
Crankcase
Mounting Lugs
Exhaust
As delivered, the engine has its carburetor lightly
fit into its intake. Secure it changing its angle
according to the car chassis.
NOTE
Standard accessories
Glow Plug P7 Cylinder-head gasket (0.1mm)
Exhaust Seal Ring Dust Cap 3, 16, 18
The MAX-21VZ-R is high performance 3.5cc
class power unit for one-eighth-scale radio-
controlled 'Track racing' cars. It has been de-
signed to meet the exacting requirements of
the world's most expert drivers. An exhaustive
program of research, development and proto-
type testing has resulted in one of the most
powerful production model racing car engines
currently available.
NOTE
The engine is fitted with one each of 0.1mm and
0.2mm cylinder-head gasket when leaves the
factory. Another 0.1mm head gasket is supplied
with the engine. You may addit at initial running-
in, when a glow plug tends to burn out due to high
temperature and / or high humidity or when you
prefer fuel economy to power.
Cover Plate
6