Online Catalogue

KTM 1090 Adventure R

2017 to 2019

Front Sprocket

OE Type Rubber Cushioned Front Sprocket

Part Number: JTF1904RB

Teeth: 17

Available Sizes: 16, 17

Steel Front Sprocket

Part Number: JTF1904

Teeth: 17

Available Sizes: 15, 16, 17

Rear Sprocket

Steel Rear Sprocket

Part Number: JTR899

Teeth: 42

Available Sizes: 42, 45

Drive Chain

Pitch: 525

Length: 118

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		15	16	17
Rear Sprocket	42	2.80 +13.3%	2.62 +6.2%	2.47 standard

Lower gear ratios allow for higher top speeds.

Higher gear ratios increase torque for better acceleration.

Full Gear Ratio Chart (pdf)