KZ650 General Maintenance Information
| Cylinder Head Specs |
| 1977-1979 |
Cylinder Head Nuts |
27-31 ft. lbs. |
| 1980 With roller-link cam chain |
Cylinder Head Nuts |
27-31 ft.lbs. |
| 1980 With Hy-Vo Cam chain |
Cylinder Head Nuts |
22 ft. lbs. |
| 1981 - on |
Bolts |
22 ft. lbs |
| 1981 - on |
Nuts |
29 ft. lbs. |
| Compression Specs |
| 1977-1980 |
Compression Pressure |
155-185 p.s.i. (10-14 kg/cm2) |
| 1981 |
Compression Pressure |
136-209 p.s.i. (9.6-14.7 kg/cm2) |
| 1982 - on |
Compression Pressure |
100-156 p.s.i. (7 - 11 kg/cm2) |
| Other Specs |
| All |
Idle Speed |
950-1,050 RPM |
| All |
Valve Clearance (cold) |
0.003 - 0.007 in.(0.08-0.18mm) |
| All |
Valve Type |
Shimmed Under-Bucket |
| 1977-1980 |
Breaker Point Gap |
0.012-0.016 in. (0.3-0.4mm) |
| All |
Spark Plug Type |
NGK B7ES, ND W22ES-U |
| All |
Spark Plug Gap |
0.028-0.031 in (0.7-0.8mm) |
| All |
Float Level |
23mm |
| All |
Fuel Service Level |
2-3 mm below carb bowl mating surface |
| All |
Oil Type |
SAE 10W-40 |
| All |
Oil Quantity (change) |
Approx. 3.2 liters |
| All |
Oil Quantity (Filter Change) |
Approx. 3.8 liters |
| All |
Fork Oil Weight |
15W |
| All |
Fork Diameter |
36mm |
| All |
Fork spacing |
149mm approx between the fork tubes |
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