Generac Power Systems XT-EFI Series User Manual

Section 5 Engine Diagnostic Tests
24 Diagnostic Repair Manual
Problem 15 – Engine Cranks But Will Not Start (220/410/530cc Non-EFI Engines)
BAD
PULL OUT
ADJUST AND
RE-TEST
REPAIR
OR
REPLACE
REPLACE
REPLACE
OFF
TURN
ON
GOOD
GOOD
SPARK
GOOD
GOOD
GOOD
GOOD
GOOD
TEST 20 –
CHECK
SPARK
CHECK
FUEL
SUPPLY
CHECK FUEL
SHUTOFF
VALVE
PULL CHOKE
FULL OUT
TEST 17 – TEST
START-RUN-STOP
SWITCH
TEST 21 –
CHECK SPARK
PLUG
TEST 22 –
CHECK
CARBURETION
TEST 24 –
CHECK VALVE
ADJUSTMENT
TEST 25 – CHECK ENGINE /
CYLINDER LEAK DOWN TEST /
COMPRESSION TEST
REPLENISH
FUEL
SUPPLY
REPAIR OR REPLACE AS NECESSARY
REFER TO ENGINE SERVICE MANUAL
P/N 0C1103A FOR FURTHER ENGINE
SERVICE INFORMATION
BAD
TEST 28 – REMOVE
WIRE 18 /
SHUTDOWN LEAD
FULL OUT
NO
SPARK
BAD
GOOD
BAD
BAD
BAD
BAD
REPLACE
REPLACE MAGNETO
GO TO
“PROBLEM 24”
GOOD
TEST 27 –
CHECK
FLYWHEEL
TEST 27 –
CHECK
FLYWHEEL KEY

Generac Power Systems XT-EFI Series Specifications

General

Brand	Generac Power Systems
Model	XT-EFI Series
Category	Portable Generator
Language	English