SERVICING YOUR HONDA LAWN MOWER
39
FUEL
Fuel Information
This engine is certified to operate on unleaded gasoline with a pump
octane rating of 86 or higher. Unleaded gasoline produces fewer
engine and spark plug deposits and extends exhaust system life.
Never use stale or contaminated gasoline or an oil/gasoline mixture.
Avoid getting dirt or water in the fuel tank.
Occasionally you may hear light “spark knock” or “pinging” (metallic
rapping noise) while operating under heavy loads. This is no cause for
concern.
If spark knock or pinging occurs at a steady engine speed, under
normal load, change brands of gasoline. If spark knock or pinging
persists, see an authorized Honda servicing dealer.
NOTICE
Running the engine with persistent spark knock or pinging can cause
engine damage. Running the engine with persistent spark knock or
pinging is misuse, and the Distributor’s Limited Warranty (page 66)
does not cover parts damaged by misuse.
HRB216 TXA HXA.book Page 39 Monday, March 26, 2001 1:06 PM
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