Honda Utility ATV TRX420FM1

Safety Precautions: Refer to page 121. This procedure requires mechanical skill and professional tools such as a torque wrench. If you do not have the skills or the tools, see your dealer.

NOTICE: Using the wrong oil filter may result in leaks or engine damage. Use a new Honda Genuine oil filter specified for your model or a filter of equal quality.

Upload a photo of the oil check lid and the oil fill cap/dipstick removed from the front crankcase.

Engine oil drain bolt and sealing washer removed?

Enter the torque applied to the oil drain bolt (should be 18 lbf·ft)

Enter the amount of oil added to the crankcase (should be approximately 2.9 US qt)

Oil fill cap/dipstick reinstalled?

Engine idled for 3 – 5 minutes?

Refer to Safety Precautions on page 121. This procedure requires mechanical skill and professional tools such as a torque wrench as well as a means for disposing of the drained fluid (page 226). If you do not have the skills or the tools, see your dealer.

Upload a photo of the oil check lid and the oil fill cap/dipstick from the front crankcase.

Oil drain pan placed under the crankcase?

Upload a photo of the engine oil drain bolt and sealing washer.

Place shop towels under the oil filter cover because oil will flow out.

Upload a photo of the removed seat.

Upload a photo of the removed tank cover assembly.

Upload a photo of the removed oil filter cover and O-rings.

Remove the seat (Refer to page 133)

Remove the air cleaner housing cover

Loosen the screw and remove the air cleaner assembly from the air cleaner housing

Remove the air cleaner from the air cleaner body

Wash the air cleaner in clean, non-flammable solvent such as kerosene

Inspect for tears or cracks in the foam or seams of the air cleaner. Replace if damaged

Allow the air cleaner to dry thoroughly before applying oil

Warning: This procedure requires trained personnel with PPE!

Deposits visible in the drain tube?

If deposits are visible, proceed with the following steps. If not, skip to step 6.

Upload a photo of the drain tube before cleaning

Drain tube removed successfully?

Drain tube reinstalled and secured with the clip?

Upload a photo of the cleaned and reinstalled drain tube

Sign off on the air cleaner housing drain tube cleaning

Warning: This procedure should be serviced by your dealer, unless the owner has proper tools and service data and is mechanically qualified.

Refer to the official Honda Service Manual (page 274).

Refer to Safety Precautions on page 121.

Check the operation of the rear brake light switch (1) at the right side behind the engine

Adjustment is done by turning the adjusting nut (2)

Sign off on the brake light switch adjustment