Model Name:DIVERSION 400

Manufacturer:YAMAHA

Model Year:1991

It was an unique model that had a taste of a touring model in the 70s. The air-cooled DOHC 2-valve four engine mounted on the double cradle frame was newly designed. Its abundant lineup of optional parts also made it popular.

Specifications:

[Basic spec]

Manufacturer	YAMAHA	Engine Type
Model Name	DIVERSION 400	Starter	–
Grade	–	Maximum Output (ps)	42ps(31kw)/10000rpm
Drive Train	–	Maximum Torque (kgf/m)	3.5kg-m(34.3N-m)/7000rpm
Model Type	–	Curb Weight	197
Displacement	398	Dry Weight	178
Sales Launch Year	1991/0	Fuel Efficiency by Catalog	–
Height/Width/Length	1175/-/2095	Fuel Tank Capacity	–
Seat Height	–	Distance to Empty	–
Front Tire Indication	110/80-17 57H TL	Fuel Supply	–
Rear Tire Indication	130/70-18 63H TL

[Service data]

Standard Plug	CR8E	Chain Size	520
Number of Used Plugs	4	Chain Link Number	108
Engine Oil Amount	–	Battery Code	FTX9-BS
Engine Oil (Refill)	2.6L	Headlight	12V 60w/55w
Engine Oil (Element Replacement)	2.8L	Headlight Type	H4
Front Blinker Rating	12V 27w	Headlight Remarks	–
Drive Sprocket Teeth Number	15	Tail Light Rating	12V 27w/8w
Driven Sprocket Teeth Number	46	Rear Blinker Rating	12V 27w

[Machine detail]

Motor Model Code	4BP	Caster Angle	–
Bore (mm)	–	Trail (mm)	–
Storke (mm)	–	Minimum Ground Clearance	–
Compression Ratio	–	Distance Between Axes	–
Ignition Method	–	Streering Angle (Right)	–
Engine Lubrication Type	–	Turning Angle (Left)	–
Frame Type	–	Mirror Screw Hole Diameter	–
Minimum Rotaion Radius	–	Fuel Tank Reserve Capacity	–

[Underbody detail]

Front Brake Type	Single Disc	Suspension Type (Rear)	–
Front Brake Remarks	–	Number of Rear Shock Absorbers	–
Rear Brake Type	Disc	Rear Suspension Stroke	–
Rear Brake Remarks	–	Rear Wheel Travel	–
Suspension Type (Front)	–	ABS	–
Front Fork Type	–	Drive Train	–
Front Suspension Stroke	–	Differential Oil Amount	–
Front Fork Diameter	–	Chain Remarks	–

[Equipment]

Seat Lowering Allowance	–	Theft Prevention Device	–
Mirror Screw Hole Diameter	–	Tail Light Bulb Type	S25
Mirror Remarks	–	Tail Light Base Shape	BAY15D
Electronic Device Remarks	–	Tail Light Base Shape 2	–
Fuel Gauge	–	Tail Light Remarks	Glass Shape G18 Also Installable
Clock	–	Front Blinker Bulb Type	S25
Hazard	–	Front Blinker Base Shape	BA15S/BA15S

[Engine detail]

Clutch Type	–	Tappet Clearance (mm) EX	–
Transmission	–	Idling Initial Value (rpm)	–
Number of Gears	–	Needle Steps (Clip Location)	–
Gear Ratio	–	Float Level (mm)	–
Primary Reduction Ratio	–	Air Screw Return	–
Secondary Reduction Ratio	3.07	Main Jet Type	MIKUNI Round Small (L)
Variable Speed Vehicle Gear Ratio	–	Main Jet Number	#90+#92.5
Tappet Clearance (mm) IN	–

[Other spec]

Clutch Cable Length	–	Rear Brake Cable Length	–
Choke Cable Length	–	Other Cables	–
Meter Cable Length	–	Engine Number (Production Launch)	–
Throttle Cable Length	–	Engine Number (Production End)	–
Front Brake Cable Length	–

[See Moto Index of YAMAHA]
[See Accessories for YAMAHA DIVERSION 400]