Online Catalogue

Yamaha DT400

1975 to 1976

Front Sprocket

Steel Front Sprocket

Part Number: JTF565

Teeth: 16

Available Sizes: 12, 13, 14, 15, 16, 17, 18

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF565RB

Teeth: 16

Available Sizes: 14, 15, 16

Lightweight Self-Cleaning Front Sprocket

Part Number: JTF565SC

Teeth: 16 Check Availability

Available Sizes: 12, 13, 14

JTF565SC is a Lightweight front sprocket with self-cleaning grooves

Rear Sprocket

Part Number: TBA

Teeth: 43

Available Sizes:

Drive Chain

Pitch: 520

Length: 100

Please note that the chain shown in this listing is for size reference only. For the correct chain type and grade, please refer to the vehicle's manufacturer manual.

Gear Ratio Chart

Teeth		Front Sprocket
Teeth		12	13	14	15	16
Rear Sprocket	43	3.58 +33.3%	3.31 +23.1%	3.07 +14.3%	2.87 +6.7%	2.69 standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)