SPECIFICATIONS
Engine model*
1
Type
I
Gasoline
I
t
Number and arrangement of cylinders
Cycle
lnline 4 cylinder,
longitudinally mounted
I
Ignition order
4
t
I
Combustion chamber type
I
I
Wedge type
Start up method
I
Valve mechanism
1
OHV chain drive
I
Self starting type
t
I
Total displacement
cc (cu-in)
I
I
I
t
Bore x stroke mm (in.)
Compression ratio
Compression pressure kPa (kgf/cm2) [psi]/rpm
91.0
x
86.0 (3.58
x
3.39)
I
Minimum fuel consumption when fully loaded g1PS.h (rpm)
I
Engine dimensions (length
x
width
x
height)
8.8
1226 (1 2.5)
[I 7811250
Refer to repair manual for
each vehicle model
No-load maximum speed
rpm
Idle speed
rpm
t
t
1
Weight kg (Ib)
/
Refer to repair manual for
each vehicle model
Refer to repair manual for
each vehicle model
mm (in.)
t
t
709x525~733
(27.9
x
20.7
x
28.9)
Number of piston rings
-
Valve clearance
709x 513x 733
(27.9
x
20.2
x
28.9)
Intake valve open/close interval
Exhaust valve openlclose interval
Compression rings
Oil ring
Open
Close
Open
Close
mm (in.)
*:
In this manual the engine with mechanical fuel injection fitted
is
referred to
as
4Y-M,
while the one with electronic
fuel injection fitted is referred to as
4Y-E.
2
1
Blow-by gas reductor type
t
t
BTDC 12"
ABDC 40"
BBDC 54"
ATDC 6"
Intake
.
Exhaust
t
t
t
t
Closed type
0 (Automatic adjusting type)
0 (Automatic adjusting type)
t
t
t