2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 18Get this manual
0A-3 General Information: Left Side Fuel (For Other Countries) Gasoline used should be graded 91 octane (Research Method) or higherUnleaded gasoline is recommendedEngine Oil (For USA) Oil quality is major contributor to your engine's performance and lifeAlways select good quality engine oilSuzuki recommends the use of SUZUKI PERFORMANCE MOTOR OIL or an equivalent engine oilUse of SFSG or SHSJ in API with MA in JASOSuzuki recommends the use of SAE 10W-40 engine oilIf SAE 10W-40 engine oil is not available, select and alternative according to the chartEngine Oil (For Other Countries) Oil quality is major contributor to your engine's performance and lifeAlways select good quality engine oilUse of SFSG or SHSJ in API with MA in JASOSuzuki recommends the use of SAE 10W-40 engine oilIf SAE 10W-40 engine oil is not available, select an alternative according to the chart I827H1010006-01
Vehicle Identification Number
The frame serial number or V.I.N(Vehicle Identification Number) "A" is stamped on the left side of the rear frame pipeThe engine serial number "B" is located on the left side of the crankcaseThese numbers are required especially for registering the machine and ordering spare parts