Operating Guide

REV P 4-4 604856

fuel system is designed to leave room for the fuel to expand

with fuel temperature changes. Figure 4-5

Use regular unleaded gasoline with an octane rating of 87

or higher. Maximum of 10% ethanol (E10) in fuel. Fuels with

greater than 10% ethanol (such as E15, E20 and E85) voids

warranty. Fuels with greater than 10% ethanol are not

approved for use and such illegal use could cause equipment

failure and pose a fire hazard.

Refer to the Engine Owner’s Manual for additional fuel

specification requirements.

Fuel Evaporation System Filter

These mowers have a fuel evaporation system filter. This

filter must be checked and replaced every 100 hours or

annually whichever comes first. Figure 4-6 & Figure 4-7

Carbon Canister

Some Hustler

Raptor

SD mowers have a carbon canister

incorporated into the fuel system. Figure 4-8

This is a mandatory feature on all mowers using gasoline

engines that are put into operation in California.

Overfilling the fuel tank may cause the following:

• Engine damage

• Fire hazard!

A. Filler neck B. Fuel tank

Figure 4-5

WARNING

Fill to the bottom of the filler neck

Maximum

Do Not

Overfill

A. Fuel evaporation system filter

Figure 4-6

Carbon canister location is the same on all models

A. Carbon canister

B. Fuel evaporation system filter

Figure 4-7