US: undersize OS: oversize
Model 2.0 L 2.5 L
Engine
Cylinder arrangement
Horizontally opposed, liquid cooled, 4-cylinder,
4-stroke gasoline engine
Valve system mechanism
Belt driven, single over-head camshaft, 4-valve/
cylinder
Bore × Stroke mm (in) 92 × 75 (3.62 × 2.95)
99.5 × 79.0
(3.917 × 3.110)
Displacement
cm
3
(cu in)
1,994 (121.67) 2,457 (150)
Compression ratio 10.0
Compression pressure (at 350 rpm)
kPa (kg/cm
2
,
psi)
1,020 — 1,275 (10.4 — 13.0, 148 — 185)
Number of piston rings Pressure ring: 2, Oil ring: 1
Intake valve timing
Open BTDC 2° BTDC 2°
Close ABDC 54° ABDC 56°
Exhaust valve timing
Open BBDC 39° BBDC 50°
Close ATDC 5° ATDC 8°
Valve clearance mm (in)
Intake 0.20±0.04 (0.0079±0.0016)
Exhaust 0.25±0.04 (0.0098±0.0016)
Idle speed [at neutral position on MT, or “P” or
“N” range on AT]
rpm
650±100 (No load)
800±100 (A/C ON)
Ignition order 1 → 3 → 2 → 4
Ignition timing BTDC/rpm 13°±10°/650
Belt ten-
sion
adjuster
Protrusion of adjuster rod mm (in) 5.2 — 6.2 (0.205 — 0.244)
Belt ten-
sioner
Spacer O.D. mm (in) 17.955 — 17.975 (0.7069 — 0.7077)
Tensioner bushing I.D. mm (in) 18.00 — 18.08 (0.7087 — 0.7118)
Clearance between spacer
and bushing
mm (in) Standard 0.025 — 0.125 (0.0010 — 0.0049)
Side clearance of spacer mm (in) Standard 0.20 — 0.55 (0.0079 — 0.0217)
Valve rocker
arm
Clearance between shaft and
arm
mm (in) Standard 0.020 — 0.054 (0.0008 — 0.0021)
Camshaft
Bend limit mm (in) 0.020 (0.00079)
Side clearance mm (in) Standard 0.030 — 0.090 (0.0012 — 0.0035)
Cam lobe height
mm (in)
2.0 L
Intake Standard 39.646 — 39.746 (1.5609 — 1.5648)
Exhaust Standard 39.351 — 39.451 (1.5493 — 1.5532)
2.5 L
Intake Standard 39.485 — 39.585 (1.5545 — 1.5585)
Exhaust Standard 39.904 — 40.004 (1.5710 — 1.5750)
Camshaft journal O.D. mm (in) 31.928 — 31.945 (1.2570 — 1.2577)
Camshaft journal hole I.D. mm (in) 32.000 — 32.018 (1.2598 — 1.2605)
Oil clearance mm (in) Standard 0.055 — 0.090 (0.0022 — 0.0035)
Cylinder
Head
Surface warpage limit (mating with cylinder
block)
mm (in) 0.03 (0.001)
Grinding limit mm (in) 0.1 (0.004)
Standard height mm (in) 97.5 (3.84)
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