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                                   Honda TRX400 Factory Service Manuals

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Service Manual >1995-2003 Foreman TRX400FW TRX 400

Service Manual >1999-2003 TRX 400EX, TRX400 EX

Service Manual >2004-2005 Rancher TRX400FA TRX400FGA TRX400

Service Manual >2006-2007 Rancher TRX400FA, TRX400FGA, TRX400

Service Manual >2005-2009 TRX 400EX, TRX 400X

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Careful periodic maintenance will help keep your vehicle in the safest, most reliable condition. Inspection, adjustment and lubrication of important components are explained in the periodic maintenance chart. Inspect, clean, lubricate, adjust and replace parts as necessary. When inspection reveals the need for replacement parts, use genuine Honda parts available from your Honda dealer.

NOTE: Service and adjustments are critical. If you’re not familiar with safe service and adjustment procedures, have a qualified dealer perform these operations.

Maintenance intervals in the following chart are based upon average riding conditions and an average vehicle speed of approximately 10miles per hour. Vehicles subjected to severe use must be inspected and servicedmore frequently.

Severe Use Definition

  • Frequent immersion in mud, water or sand
  • Racing or race-style high RPM use
  • Prolonged low speed, heavy load operation
  • Extended idle
  • Short trip cold weather operation

Pay special attention to the oil level. A rise in oil level during cold weather can indicate contaminants collecting in the oil sump or crankcase. Change oil immediately if the oil level begins to rise. Monitor the oil level, and if it continues to rise, discontinue use and determine the cause or see your dealer.

Maintenance Chart Key

The following symbols denote potential items to be aware of during maintenance:

H= CAUTION: Due to the nature of these adjustments, it is recommended this service be performed by an authorized Honda dealer. "=SEVERE USE ITEM ----If vehicle is subjected to severe use, decrease interval by 50% (Severe Use is defined as frequent vehicle immersion in mud, water or sand, racing or race- style high rpm use, prolonged low speed - heavy load operation or extended idle. More preventative maintenance is required under these conditions. Fluid changes, cable, chain and chassis lubrication are required more frequently. For engine oil, short trip cold weather riding also constitutes severe use. Pay special attention to oil level. A rising oil level in cold weather can indicate contaminants collecting in the oil sump or crankcase. Change oil immediately and monitor level. If oil level begins to rise, discontinue use and determine cause.)

E= Emission Control System Service (California).

NOTE: Inspection may reveal the need for replacement parts. Always use genuine Honda TRX400 parts.

WARNING: Improperly performing the procedures marked with a J could result in component failure and lead to serious injury or death. Have an authorized Honda dealer perform these services.

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