Four Stroke Cycle Operation - Royal Enfield Bullet Classic EFI Service Manual

SALIENT FEA SALIENT FEA
SALIENT FEA SALIENT FEATURES OF SALIENT FEA
ENGINE & ENGINE MAN ENGINE & ENGINE MAN ENGINE & ENGINE MANA A A A A GEMENT SY
ENGINE & ENGINE MAN ENGINE & ENGINE MAN
• HIGH TORQUE ENGINE
• ENHANCED POWER DELIVERY
• HYDRAULIC TAPPETS
• AUTO DECOMPRESSOR
• AUTO CHAIN TENSIONER FOR
PRIMARY CHAIN
• HIGH CAPACITY TRACHOIDAL OIL
PUMP FOR BETTER LUBRICATION
FOUR STR FOUR STROKE CY FOUR STR FOUR STR FOUR STR
SUCTION
STROKE
Inlet Valve Open
Exhaust Valve Closed
Piston Movement TDC to BDC
Gas Flow Air Petrol
mixture is
drawn into
cylinder
TURES OF TURES OF THE UNIT CONSTR THE UNIT CONSTR
TURES OF THE UNIT CONSTR TURES OF THE UNIT CONSTR THE UNIT CONSTRUCTION
•
•
•
•
OKE CYCLE OPERA OKE CY OKE CY OKE CY CLE OPERA CLE OPERA CLE OPERATION CLE OPERA
COMPRESSION POWER
STROKE
Closed
Closed
BDC to TDC
Air Petrol
mixture gets
compressed.
Few degrees before
BTDC, spark plug
produces spark.
UCTION
UCTION UCTION
GEMENT SY GEMENT SYSTEM GEMENT SY STEM STEM STEM
GEMENT SY STEM
IMPROVED ACCELERATION & HIGH
SPEED CRUISING
EXCELLENT COLD STARTING
ABILITY
ACCURATELY CONTROLLED, AIR
FUEL MIXTURE & IGNITION TIMING
BY THE ENGINE CONTROL UNIT
IMPROVED PERFORMANCE AND
FUEL EFFICIENCY THRO FUEL
INJECTION SYSTEM.
TION TION TION TION
EXHAUST
STROKE STROKE
Closed Closed
Closed Open
TDC to BDC BDC to TDC
Air petrol mixture Exhaust gas
burns, gas
expands. flows out.
Piston is
pushed down.
UCTION
02-1