Check And Adjustment Values
Engine
Engine Mount Adjustment
| Distance in mm | |
|---|---|
| Dimension -a- | 10 |
| Dimension -b- | The front and rear are parallel |
Requirement
- The casting edge on the engine support must be parallel to the engine mount support arm.
Refer to Assembly Mounts, Checking and Adjusting .
Transmission Mount, Adjustment
| Distance | |
|---|---|
| Dimension -a- | The front and rear are parallel |
Requirement
- The support arm must be parallel to the transmission mount.
Refer to Assembly Mounts, Checking and Adjusting .
Continuation for All Vehicles
Crankshaft
Crankshaft Dimensions
The reprocessing of worn crankshafts is not possible at this time.
| Honing Dimension | Crankshaft Bearing Pin Diameter in mm | Connecting Rod Bearing Pin Diameter in mm | ||
|---|---|---|---|---|
| EA888evo4 LK1, LK2 | 48.00 | -0.032 | 47.80 | -0.022 |
| -0.052 | ||||
| EA888evo4 LK3 | 52.00 | -0.032 | -0.042 | |
| -0.052 | ||||
Crankshaft Axial Clearance
| Axial Clearance in mm | |
|---|---|
| New | 0.070 to 0.231 |
| Wear limit | 0.30 |
Refer to Crankshaft, Measuring Axial Clearance .
Crankshaft Radial Clearance
| Radial Clearance in mm | |
|---|---|
| New | 0.017 to 0.037 |
| Wear limit | 0.15 |
Refer to Crankshaft, Measuring Radial Clearance .
Connecting Rod Radial Clearance
| Radial Clearance in mm | |
|---|---|
| New | 0.02 to 0.06 |
| Wear limit | 0.09 |
Refer to Connecting Rods, Checking Radial Clearance .
Cylinder Bore
Requirement
- Specified size measured at 50 mm cylinder bore depth
| Diameter in mm | |
|---|---|
| Specified size | 82.51 |
| Deviation from nominal dimension | 0.08 |
Refer to Piston and Cylinder Bore, Checking .
Piston
Requirement
- Measurement without coating (thickness = 0.04 mm). The coating wears off.
| Diameter in mm | |
|---|---|
| Specified size | 82.42 |
| Deviation from nominal dimension | 0.04 |
Refer to Piston and Cylinder Bore, Checking .
Piston Ring Gap
| Axial Clearance in mm | ||
|---|---|---|
| 1. Compression ring | New | 0.30 to 0.40 |
| Wear limit | 0.60 | |
| 2. Compression ring | New | 0.40 to 0.50 |
| Wear limit | 0.70 | |
| Oil Scraping Ring | cannot be measured | |
Refer to Piston and Cylinder Bore, Checking .
Continuation for All Vehicles
Cylinder Head and Valvetrain
Cylinder Head Distortion
| Dimension in mm | |
|---|---|
| Maximum permissible distortion | 0.05 |
Refer to Cylinder Head, Checking for Distortion .
Compression Pressure
| Pressure in bar | |
|---|---|
| New pressure in bar | 16.0 to 19.0 |
| Wear limit | 12.0 |
| Maximum difference between cylinders | 3.0 |
Refer to Compression, Checking .
Camshafts Axial Clearance
| Axial Clearance in mm | ||
|---|---|---|
| Intake Camshaft | Exhaust Camshaft | |
| New | 0.095 to 0.202 | |
Camshafts Radial Clearance
Requirement
- The roller rocker levers must be removed.
| Radial Clearance in mm | ||
|---|---|---|
| Intake Camshaft | Exhaust Camshaft | |
| New | 0.024 to 0.066 | |
| Wear limit | 0.04 | |
Valve Guide Tilting Clearance
| Tilting clearance in mm | |
|---|---|
| Wear limit | 0.6 |
Valve Dimensions
| Intake Valve | Exhaust Valve | |
|---|---|---|
| -A- diameter in mm | 33.85 ± 0.10 | 28.0 ± 0.1 |
| -b- in mm | 103.97 | 101.87 |
| -c- diameter in mm | 5.92 ± 0.02 | 5.92 ± 0.02 |
| -d- ∠° | 45 | 45 |
Continuation for all vehicles
Exhaust System
Exhaust system pretension
| Adjustment dimension -a- in mm | |
|---|---|
| Retaining loop pretension | 5 |