Originally Posted by Samarth 619

Direct Fits:

Apache RTR 160: Stock Setup: 13/44 teeth.

To overgear it, use the 14 teeth front sprocket from Yamaha YZF R15/ Fiero F2. (Thanks Aparajith)

Pulsar 220 DTS Fi (Old model): Stock setup: 14/37

To undergear it, use:
P200's rear sprocket, 38 teeth,
Karizma's rear sprocket, 40 teeth, (Thanks Prafultripathy)

Yamaha YZF R15: Stock Setup: 14/42

To overgear it, use rear sprocket, 40 teeth from Yamaha FZ 16. (Thanks anirudh_fz1)

Yamaha FZ16: Stock Setup: 14/40

To overgear it, use front sprocket, 15 teeth from Honda Unicorn. (Thanks iamvik)
To undergear it, use rear sprocket, 40 teeth from Yamaha YZF R15. (Thanks anirudh_fz1) - Stock is also 40 so this wont hold good.

Honda Shine 125: Stock Setup: 14/~

To overgear it, use front sprocket, 15 teeth from Honda Unicorn. But, you'll have to shave off the sides of the sprocket so it matches the chain. (Bike India)


EDIT: This topic's incomplete. More material would be added on later. Please suggest improvements to the topic.
-Samarth