Installation Of The Standard - O.S. engine max-12TZ series Owner's Instruction Manual

INSTALLATION OF THE
STANDARD ACCESSORIES
Installing the glow plug.
Insert P6 plug supplied
into heatsink-head care-
fully, making sure that it is
not cross-threaded before
tightening firmly.
(All the O.S. T-Type plugs
including the P6 are not
supplied with a washer.)
Install the exhaust seal
ring supplied.
CARBURETOR CONTROLS 11H,
Carburetor Reducer
Throttle Stop
Screw
Thermo Insulator
Dust Cover
Installing the carburetor reducer
Glowplug
These engines are equipped with two head
gaskets of 0.1mm thick and 0.2mm thick. It is
suggested to adjust the total thickness
according
humidity and glowplug used.
Exhaust
Seal Ring
12
11H ( B )
Needle Valve
Mixture Control Valve
Ball Link No.5
Metering Needle
NOTE: Readjustment may be necessary,
occasionally to allow for changes in fuel
formula, gear ratio or clutch engagement
point.
13
5.5mm (Black) bore reducer is installed on
both the 12TZ(P)-T3 and 12TZ(P)-T5
carburetor.
Extra 6.5mm bore reducer is supplied with
the 12TZ(P)-T5 only. With this reducer
installed, more power can be obtained, while
engine adjustment becomes a little critical
About the Head Gasket
to atmospheric
At early stage of running-in, when a glowplug
tends to burn out early or when high
nitromethane content fuel is used, try to run
the engine with both gaskets or removing the
0.1mm gasket.
When low nitromethane content fuel is used,
try to run the engine removing the 0. 2mm
gasket.
Four adjustable controls are provided on
this carburetor.
The Needle-Valve(Adjusted at the factory):
For adjusting the mixture strength when the
throttle is fully open.
The Mixture Control Valve:
For changing the mixture strength at mid
speed and acceleration. (Do not rotate the
screw more chan one turn.)
The Metering Needle:
For adjusting the mixture strength at part-
throttle and idle speed, to obtain steady
idling and smooth acceleration to mid speed.
The Throttle Stop Screw
(Adjusted at the factory):
For setting the minimum idle speed:
temperature,