MANUAL DEL USUARIO
• FORZA 150
61
Chapter 11 Storage Method
SIf the motorcycle is not used for a long time in winter or other seasons, it is necessary to carry out special maintenance with appropriate
materials, equipment and techniques.
Trouble
Cause
Remedy
Abnormal engine operation
Abnormal noise from
engine
1.
Serious worn out cylinder and piston
2.
Serious worn out needle bearings in small and big ends of connecting rod
3.
Premature ignition
4.
Excessive carbon deposit in combustion chamber
5.
Overheated spark plug
1.
Replace cylinder body and piston
2.
Replace bearing and relate parts
3.
Adjust ignition time
4.
Clean out carbon deposit
5.
Replace spark plug
Unstable engine operation
1.
Water or dirt in carburetor
2.
Clogged fuel passage
3.
Leaking crankcase
4.
Leaking connection between carburetor and engine
5.
Over-rich or over-thin gas mixture
1.
Clean the carburetor
2.
Clean or replace fuel pipe
3.
Replace sealing
4.
Tighten screw
5.
Adjust carburetor
Overheat engine
1.
Low gear driving over a long time
2.
Over loaded driving or long time driving with heavy load
3.
Over-rich or over-thin gas mixture
4.
Unqualified engine oil or insufficient transmission oil
5.
Slipping clutch
6.
Too tight chain
7.
Unreleased brake
1.
Change gear position and control time
2.
Control load-carrying and rest from time to time for cooling
3.
Adjust carburetor
4.
Replace with qualified engine oil and fill oil to transmission case
5.
Adjust free play or replace clutch, friction lining and spring
6.
Adjust tension
7.
Adjust brake clearance
