Online Catalogue

Yamaha TT500 D,E,F,G

1977 to 1980

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF565RB

Teeth: 15

Available Sizes: 14, 15, 16

Steel Front Sprocket

Part Number: JTF565

Teeth: 15

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

Lightweight Self-Cleaning Front Sprocket

Part Number: JTF565SC

Teeth: 15 Check Availability

Available Sizes: 12, 13, 14

JTF565SC is a Lightweight front sprocket with self-cleaning grooves

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR853

Teeth: 52

Available Sizes: 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52

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	17	18
Rear Sprocket	52	4.33 +25.0%	4.00 +15.4%	3.71 +7.1%	3.47 standard	3.25 -6.2%	3.06 -11.8%	2.89 -16.7%

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)