CHAPTER 3 ENGINE
BUCK 450 SERVICE MANUAL 20.0
If it exceeds the maximum pressure
allowed→
Inspect the cylinder head, valve surfaces and
piston crown for carbon deposits.
If it is below the minimum pressure
→
Squirt a few drops of oil into the affected cylinder
and measure again. Follow the table below.
Compression pressure
(With oil applied into cylinder)
Reading
Diagnosis
Higher than
without oil
Worn or damaged pistons
Same as
without oil
Possible defective ring (s),
valves,
cylinder head gasket or
Piston
→Repair.
Compression pressure(at sea level):
Standard:
1,400 kPa (14Kg/cm
2
, 14 bar)
Minimum :
1,120 kPa (11.2 kg /cm
2
,
11.2 bar)
Measurement steps :
Crank the engine with the throttle wide open until
reading on the compression gauge stabilizes.
WARNING :
Before cranking the engine, ground all spark plug
leads to prevent sparking.
8. Install:
Spark plug
CHAPTER 3 ENGINE PAGE. 3- 10
Summary of Contents for ARCHON 400
Page 1: ...SERVICE MANUAL ARCHON 400...
Page 25: ...CHAPTER 2 MAINTENANCE BUCK 450 SERVICE MANUAL 20 0 NOTES CHAPTER 2 MAINTENANCE PAGE 2 14...
Page 41: ...CHAPTER 3 ENGINE BUCK 450 SERVICE MANUAL 20 0 3 3 CYLINDER HEAD CHAPTER 3 ENGINE PAGE 3 16...
Page 112: ...CHAPTER 3 ENGINE BUCK 450 SERVICE MANUAL 20 0 NOTES CHAPTER 3 ENGINE PAGE 3 87...
Page 122: ...CHAPTER 4 CHASSIS BUCK 450 SERVICE MANUAL 20 0 CHAPTER 4 CHASSIS PAGE 4 10 NOTES...
Page 156: ...CHAPTER 5 FINAL DRIVE BUCK 450 SERVICE MANUAL 20 0 CHAPTER 5 FINAL DRIVE 5 34 NOTES...
Page 169: ...CHAPTER 6 TRANSMISSION BUCK 450 SERVICE MANUAL 20 0 CHAPTER 6 TRANSMISSION PAGE 6 13 NOTES...
Page 184: ...CHAPTER 7 BRAKES BUCK 450 SERVICE MANUAL 20 0 CHAPTER 7 BRAKES PAGE 7 15 NOTES...