SERVICE DATA AND SPECIFICATIONS (S.D.S.) — Inspection and Adjustment (Cont'd) — VALVE SEAT
EM-47spec tableInspection and Adjustment (Cont'd)
VALVE SEAT
Unit: mm (in)
Valve Seat Specifications
| Standard — Intake | Standard — Exhaust | Service — Intake | Service — Exhaust | |
|---|---|---|---|---|
| Cylinder head seat recess diameter (D) | 36.000 - 36.016 (1.4173 - 1.4179) | 30.000 - 30.016 (1.1811 - 1.1817) | 36.500 - 36.516 (1.4370 - 1.4376) | 30.500 - 30.516 (1.2008 - 1.2014) |
| Valve seat outer diameter (D1) | 36.097 - 36.113 (1.4211 - 1.4218) | 30.080 - 30.096 (1.1842 - 1.1849) | 36.597 - 36.613 (1.4408 - 1.4415) | 30.580 - 30.596 (1.2039 - 1.2046) |
| Face outer diameter (D2) | 33.6 - 33.8 (1.323 - 1.331) | 27.4 - 27.6 (1.079 - 1.087) | 33.6 - 33.8 (1.323 - 1.331) | 27.4 - 27.6 (1.079 - 1.087) |
| Face inner diameter (D3) | 31.5 (1.240) | 24.9 (0.980) | 31.5 (1.240) | 24.9 (0.980) |
| Valve seat inner diameter (D4) | 29.85 - 30.15 (1.1752 - 1.1870) | 22.85 - 23.15 (0.8996 - 0.9114) | 29.9 - 30.1 (1.177 - 1.185) | 22.85 - 23.15 (0.8996 - 0.9114) |
| Height (H) | 5.9 - 6.0 (0.232 - 0.236) | 6.4 - 6.5 (0.252 - 0.256) | 5.35 - 5.45 (0.2106 - 0.2146) | 5.75 - 5.85 (0.2264 - 0.2303) |
Cylinder head seat recess diameter (D)
Standard — Intake36.000 - 36.016 (1.4173 - 1.4179)
Standard — Exhaust30.000 - 30.016 (1.1811 - 1.1817)
Service — Intake36.500 - 36.516 (1.4370 - 1.4376)
Service — Exhaust30.500 - 30.516 (1.2008 - 1.2014)
Valve seat outer diameter (D1)
Standard — Intake36.097 - 36.113 (1.4211 - 1.4218)
Standard — Exhaust30.080 - 30.096 (1.1842 - 1.1849)
Service — Intake36.597 - 36.613 (1.4408 - 1.4415)
Service — Exhaust30.580 - 30.596 (1.2039 - 1.2046)
Face outer diameter (D2)
Standard — Intake33.6 - 33.8 (1.323 - 1.331)
Standard — Exhaust27.4 - 27.6 (1.079 - 1.087)
Service — Intake33.6 - 33.8 (1.323 - 1.331)
Service — Exhaust27.4 - 27.6 (1.079 - 1.087)
Face inner diameter (D3)
Standard — Intake31.5 (1.240)
Standard — Exhaust24.9 (0.980)
Service — Intake31.5 (1.240)
Service — Exhaust24.9 (0.980)
Valve seat inner diameter (D4)
Standard — Intake29.85 - 30.15 (1.1752 - 1.1870)
Standard — Exhaust22.85 - 23.15 (0.8996 - 0.9114)
Service — Intake29.9 - 30.1 (1.177 - 1.185)
Service — Exhaust22.85 - 23.15 (0.8996 - 0.9114)
Height (H)
Standard — Intake5.9 - 6.0 (0.232 - 0.236)
Standard — Exhaust6.4 - 6.5 (0.252 - 0.256)
Service — Intake5.35 - 5.45 (0.2106 - 0.2146)
Service — Exhaust5.75 - 5.85 (0.2264 - 0.2303)