The Generac XP6500E is a 6.5 kW (8.12 kVA) prime generator set powered by a Generac OHVI engine. It is available at 120/240 V, 60 Hz and rated 30.3 A. It holds about 0.95 L (0.2 gal) of oil. The set measures 825.5×584.2×749.3 mm (32.5×23.0×29.5 in) and weighs about 80.28 kg (177 lb). An integrated tank holds 39.75 L (10.5 gal), roughly 10.5 hours of runtime. The same OHVI engine also powers generator sets from GP Series and Impact.
The Generac XP6500E is powered by the Generac OHVI engine.
What is the oil capacity of the Generac XP6500E?
The Generac OHVI engine in the Generac XP6500E has an oil capacity of 0.946353 liters.
Troubleshooting
8
Symptoms & remedies
Symptom
Cause
Remedy
Engine is running, but no AC output is available.
1. Circuit breaker is open. 2. Poor connection or defective cord set. 3. Connected device is bad. 4. Fault in generator. 5. GFCI trips the 20 Amp outlets.
1. Reset circuit breaker. 2. Check and repair. 3. Connect another device that is in good condition. 4. Contact Authorized Service Facility. 5. Repair the 'short' and reset the GFCI.
Engine runs good but bogs down when loads are connected.
1. Short circuit in a connected load. 2. Generator is overloaded. 3. Engine speed is too slow. 4. Shorted generator circuit.
1. Disconnect shorted electrical load. 2. See 'Don't Overload the Generator'. 3. Contact Authorized Service Facility. 4. Contact Authorized Service Facility.
Engine will not crank.
1. Battery weak or dead.
1. Recharge or replace battery (see 'No Battery Charger DC output' at bottom of guide). 2. Start engine manually using recoil starter.
Engine will not start; or starts and runs rough.
1. Fuel shut-off is OFF. 2. Dirty air cleaner. 3. Out of gasoline. 4. Stale gasoline. 5. Spark plug wire not connected to spark plug. 6. Bad spark plug. 7. Water in gasoline. 8. Over-choking. 9. Low oil level. 10. Excessive rich fuel mixture. 11. Intake valve stuck open or closed. 12. Engine has lost compression.
1. Turn Fuel shut-off ON. 2. Clean or replace air cleaner. 3. Fill fuel tank. 4. Drain fuel tank and fill with fresh fuel. 5. Connect wire to spark plug. 6. Replace spark plug. 7. Drain fuel tank; fill with fresh fuel. 8. Put choke knob to No Choke position. 9. Fill crankcase to proper level. 10. Contact Authorized Service Facility. 11. Contact Authorized Service Facility. 12. Contact Authorized Service Facility.
Engine shuts down during operation.
1. Out of gasoline. 2. Low oil level. 3. Fault in engine.
1. Fill fuel tank. 2. Fill crankcase to proper level. 3. Contact Authorized Service Facility.
Engine lacks power.
1. Load is too high. 2. Dirty air filter. 3. Engine needs to be serviced.
1. See 'Don't Overload the Generator'. 2. Replace air filter. 3. Contact Authorized Service Facility.
Engine 'hunts' or falters.
1. Choke is opened too soon. 2. Carburetor is running too rich or too lean.
1. Move choke to halfway position until engine runs smoothly. 2. Contact Authorized Service Facility.
No Battery Charger DC output.
1. Battery posts are corroded. 2. Battery cable is bad. 3. Battery is defective. 4. Receptacle is bad. 5. Battery Charger in-line fuse (1.5A) melted open.
1. Clean battery posts. 2. Replace cable. 3. Check battery condition; replace if defective. 4. Contact Authorized Service Facility. 5. Replace fuse with identical 1.5A replacement fuse only (located inside control panel).
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.