1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 20Get this manual
2LUBRICATION SERVICE INFORMATION TROUBLESHOOTING ENGINE OIL LEVEL
ENGINE OILFILTER CHANGE DIFFERENTIALFINAL DRIVE OIL LUBRICATION POINTS
SERVICE INFORMATION
GENERAL
Refer to section for oil cooler and cooling fan services Section shows how to service the oil pumpENGINE OIL VISCOSITIES
SPECIFICATIONS
Engine oil capacity 2.8 lit (3.0 US qt, 2.5 Imp qt) at disassembly .3 lit (2.4 US qt, 2.0 Imp qt) after draining
Engine oil recommendation Use Honda 4-stroke oil or equivalentAPI Service Classification: SE or SF Viscosity: SAE 10W- 40 Other viscosities shown in the chart may be used when the average temperature in your riding area is within the indicated rangeDifferential Oil capacity