Honda CM400C

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1981 honda Cm400c.jpg
Honda CM400C
Also called Custom
Production 1981
Spark Plug NGK D8EA
Battery YUASA YB12A-A
Final Drive Chain: 530x102
Front Sprocket 16T
Rear Sprocket 35T
Front Tire 3.50x18
Rear Tire 4.60x16
Oil Filter K&N KN-111[1]
Recommended Oil Honda GN4 10W-40
Related Honda CM400E
Honda CM400A
Honda CM400T
Manuals Service Manual

1981 CM400C[edit]

1981 Honda CM400C

The CM400C-81 Custom was sold in 1981 in two available colors: Candy Muse Red with Metallic Brown or Cosmo Black Metallic with Metallic Blue. The gas tank and side covers were two-toned. The pinstripes were gold. The comstar wheels were highlighted black. The brakes featured dual piston front calipers. The engine was a 395cc OHC 3-valve parallel twin with dual carburetors. The transmission was a 5-speed. The serial number began JH2NC012*BM000001.

1981 Honda Motorcycle Full-Line Brochure


  1. 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.