E
NGINE
M
AINTENANCE
Regularly check all screws and
nuts on both the engine and muf-
fler.
After 1-2 hours of operation,
valve adjustment should be check-
ed. Adjust the valves as shown in
the Engine Maintenance Section.
The multi-cylinder engines are
equipped with a breather nipple.
It's recommended that a length of
silicone tubing be attached to this
crankcase breather nipple (19) for
routing away expelled oil from
the engine compartment.
E
NGINE
M
AINTENANCE
Do not dismantle the engine.
The Multi-Cylinder Saito engines
are assembled utilizing special
jigs and tools. If it becomes
necessary to disassemble the
engine proper due to crash
damage or any other reason,
please forward your engine to
the Horizon Service Center.
Normal engine maintenance, such
as adjusting the valves or carbure-
tor maintenance, is permissible
without voiding the warranty;
however, disassembly of the
cylinders, crankshaft, and cam
gear assembly should be done
only by the Saito Service Center
because of the special jigs
andtools reguired. If you have any
questions concerning maintenance
procedures, please contact the
Horizon Service Center at:
(877-504-0233).
Our technicians will be happy to
advise you on maintenance issues.
Timing and cam gear alignment
should also be done by the Saito
Service Center.
After approximately one hour of
operation, tappet gap adjustment
may be necessary. Adjust the
valves to a clearance of
.03mm-.10mm (.002"-.004")
using the supplied gauge. The
valves must be adjusted with
the engine cold due to thermal
expansion.
N
OTE
:
Valves must be in the
closed position as shown in the
figure. When adjustment is com-
pleted, make sure you tighten the
lock nut. When you check the
valves, lubricate the moveable
parts. Also make sure screw is in
tight before making adjustment to
values.
Figure 8
12
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Summary of Contents for FA-170R3
Page 20: ...PARTS LIST FA 90R3 18 _ _MCFSE cs3 indd 18 2010 11 04 10 01 50...
Page 21: ...PARTS LIST FA 170R3 FA 200R3 19 _ _MCFSE cs3 indd 19 2010 11 04 10 01 51...
Page 22: ...FA 325R5 D PARTS LIST 20 _ _MCFSE cs3 indd 20 2010 11 04 10 01 52...
Page 23: ...PARTS LIST FA 450R3 D 21 _ _MCFSE cs3 indd 21 2010 11 04 10 01 53...