Xmotos XZ 250R, Owner'S Manual

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8.
Carburetor Inspection - Disassemble the carburetor and check for clogs
Was the carburetor clogged and dirty?
No - SEE STEP 9
Yes - Carburetor is not serviced frequently enough
- Contaminated fuel
9.
Over Heating Inspection - Check the engine for overheating
Is the engine overheating?
No - GO TO STEP 10
Yes - Excessive carbon buildup in the combustion chamber
- Use of poor quality fuel
- Clutch slipping
- Lean fuel mixture or improper octane rating of fuel
10.
Engine Condition Inspection - Accelerate rapidly through all gears and ride at high speed.
Does the engine knock?
No - SEE STEP 11
Yes - Worn piston and cylinder (replace engine)
- Wrong type of fuel (octane rating)
- Lean fuel mixture
- Excessive carbon buildup in the combustion chamber
11.
Ignition Timing Inspection - See your local Xmotos dealer or motorcycle repair shop to have the ignition timing and engine
lubrication system inspected. Only attempt these procedures if you are qualified and have the proper tools needed.
Is the ignition timing normal? (Timing is non-adjustable)
No - Faulty CDI ignition box
- Faulty ignition pulse generator
Yes - SEE STEP 12
12.
Lubrication Inspection - Remove the valve adjuster hole cap on the cylinder head and inspect for lubrication.
Is the valve train lubricated properly?
No - Clogged oil passage (replace engine)
- Dirty and/or contaminated engine oil
Yes - See your Xmotos dealer to have your motorcycle serviced.
1.
Intake Manifold Inspection - Check the intake manifold for leaks
Is there a leak in the manifold?
No - SEE STEP 2
Yes - Loose carburetor mounting bolts
- Damaged insulator/spacer
- Damaged intake manifold gasket
- Cracked or broken intake manifold/pipe
TROUBLESHOOTING
ENGINE LACKS POWER Cont.
POOR PERFORMANCE AT IDLE & LOW SPEED