Engine Specifications
GENERAL SPECIFICATIONS
| Engine | cu. ins. | cc | Carburetor | HP at RPM | Torque (Ft. Lbs. at RPM) | Compr. Ratio | Rotor Housing Width | |
|---|---|---|---|---|---|---|---|---|
| in. | mm | |||||||
| Rotary | 40 | 654 | 4-Bbl. | ..... | ..... | 9.2-1 | 3.150 | 80 |
ROTOR HOUSING, INTERMEDIATE HOUSING & ROTOR
| Engine | ROTOR HOUSING | INTERMEDIATE HOUSING | ROTOR | ||||
|---|---|---|---|---|---|---|---|
| Width In. (mm) | Distortion Limit In. (mm) | Width In. (mm) | Distortion Limit In. (mm) | Inside Diameter In. (mm) | Housing-to-Rotor Clearance In. mm) | Land Protrusion In. (mm) | |
| Rotary | 3.150 (80) | .0024 (.06) | ..... | .0024 (.06) | ..... | 0039-.0083 (.10-.21) | ..... |
OIL SEAL
| Height In. (mm) | Seal Lip Contact Width | |
|---|---|---|
| Standard In. (mm) | Limit In. (mm) | |
| .220 (5.6) |
.008 (.2) |
.031 (.8) |
SEAL SPRINGS
| Engine | Spring | Free Height In. (mm) |
|---|---|---|
| Rotary | Apex | .185 (4.7) |
| Side | .075 (1.9) | |
| Corner | .098 (2.5) | |
| Inner Oil | .110 (2.8) | |
| Outer Oil | .102 (2.6) |
(1) APEX SEAL
| Engine | Length | Seal Width | Height | Seal-to-Housing | Seal-to-Rotor | ||
|---|---|---|---|---|---|---|---|
| Clearance | Wear Limit | Groove Clearance | Wear Limit | ||||
| Rotary | 3.1438 (79.85) |
.118 (3) |
.335 (8.5) |
.0051-.0067 (.13-.17) |
.0012 (.30) |
.0020-.0035 (.051-.089) |
.006 (.15) |
| (1) - In. (mm) | |||||||
SIDE SEAL
| Engine | Thickness In. (mm) | Width In. (mm) | Seal-to-Groove | Side Seal-to-Corner Seal | ||
|---|---|---|---|---|---|---|
| Clearance In. (mm) | Limit In. (mm) | Clearance In. (mm) | Limit In. (mm) | |||
| All | .039 (1) |
.138 (3.5) |
.0012-.0028 (.04-.07) |
.004 (.10) |
.0020-.0059 (.05-.15) |
.016 (.40) |
CORNER SEAL
| Engine | Diameter In. (mm) | Width In. (mm) | Seal-to-Groove | Side Seal-to-Corner Seal | ||
|---|---|---|---|---|---|---|
| Clearance In. (mm) | Limit In. (mm) | Clearance In. (mm) | Limit In. (mm) | |||
| All | .433 (11) |
.276 (7) |
.0008-.0019 (.020-.048) |
.0031 (.08) |
.0020-.0059 (.05-.15) |
.016 (.40) |
ECCENTRIC SHAFT MAIN & ROTOR BEARINGS
| Engine | MAIN BEARINGS | ROTOR BEARINGS | |||
|---|---|---|---|---|---|
| Journal Diameter In. (mm) | Clearance In. (mm) | Eccentric Shaft Endplay In. (mm) | Journal Diameter In. (mm) | Clearance In. (mm) | |
| All | 1.6929 (43) |
.0016-.0028 (.04-.07) |
.0016-.0028 (.04-.07) |
2.9134 (74) |
.0016-.0031 (.04-.08) |
PORT TIMING
| Engine | INTAKE | EXHAUST | ||
|---|---|---|---|---|
| Open (ATDC) | Close (ABDC) | Open (BBDC) | Close (ATDC) | |
| All | 32° | 40° | 75° | 38° |
TIGHTENING SPECIFICATIONS
| Application | Ft. Lbs. (mkg) |
|---|---|
| Oil Pump Sprocket | 22-25 (3.0-3.5) |
| Oil Pan | 5-7 (0.7-1.0) |
| Eccentric Shaft Pulley | 72-87 (10-12) |
| Intake Manifold | 12-17 (1.6-2.3) |
| Thermal Reactor | 22-40 (3.0-5.5) |
| Flywheel Lock Nut | 289-362 (40-50) |
| Crankshaft Pulley | 72-87 (10-12) |
| Water Pump | 13-20 (1.8-2.7) |
| Clutch Cover | 13-20 (1.8-2.7) |