Extra clutch cable, helmet , shoes, do a full services of the vehicle, check brakes, make sure all documents are there with you before travelling. also if three month old make sure you dont hit high speeds while travel.
Tubeless tyres could be a good option. The puncture kit is easy to operate as it does not involve taking out the tyre. Just carry an air pump along. If you feel lazy to even use the puncture kit, you could just fill in air and ride for another 40 to 50 Kms in the hope of finding a puncture repair shop. Before you start the trip make sure you get your motorcycle serviced by a trusted mechanic. Replace old parts and fit in new parts if possible.Carry spares like clutch cables, accelerator cables, spark plugs, fuses and other stuff after consulting your mechanic. 1) Proper Riding Gear
2) Water proofing your bags
Important Things to Carry Extra Clutch Cable
Tool Kit
Service before the ride
Maps of the planned route
Proper safe Helmet
Rain Cover and Proper Gloves
Make sure your bike is good condition, check with near by mechanic. it should be serviced and carry extra tubes, clutch and break cables, spare parts, etc.
Get it serviced with oil change carry comfortable riding cloths with jacket,shoe,gloves,proper and safety helmet extra tube and clutch wire take a break while riding limit on speed as you said it's 3 months old only.
try to carry cash as much as you can.