Troubleshooting:
22
Problem
Possible Cause
Solution
Excessive vibration
Engine overheating
Engine is rough at
all speeds.
May also have
black smoke and
or unburned fuel at
the exhaust.
Engine is
“knocking”.
1. Warped or
damaged blower
fan.
2. Loose bolt or
fastener.
3. Internal engine
damage.
1. Machine being
overworked.
2. Carburettor
mixture is too
lean.
3. Improper fuel
ratio.
4. Fan, fan cover,
cylinder fins dirty
or damaged.
1. Clogged air
cleaner element.
2. Loose or
damaged spark
plug.
3. Air leakage or
clogged fuel line.
4. Water in the fuel.
5. Piston seizure.
6. Faulty carburettor
and / or
diaphragm.
1. Engine is
overheating.
2. Improper fuel
being used.
1. Inspect and replace fan as required.
2. Locate and tighten as required.
3. Contact an authorised service dealer.
1. Use lower throttle setting.
2. Contact an authorised service dealer.
3. Re-fill with fresh fuel of the correct mixture
petrol and 2 stroke oil in a 25:1 ratio.
4. Clean, repair or replace as necessary.
1. Service the air cleaner.
2. Tighten or replace.
3. Repair or replace filter and/or fuel line.
4. Drain the fuel and replace with fuel of the correct
mixture petrol and 2 stroke oil in a 25 : 1 ratio.
5. Contact an authorised service dealer
6. Contact an authorised service dealer
1. Refer to Troubleshooting section on Overheating
for possible causes.
2. Check fuel octane rating and refuel.
Summary of Contents for 101PB26
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