How to tame a trike:

Step 1: find your perfect leveled trike

Step 2:climb on the biggest rock you find(make sure the trike cant climb on it)

Step 3: start hitting him with tranq arrows (or stone)

Step 4: hit till hes down

Step 5: put in narcoberrys and food for taming (i use mejoberrys)

Step 6: feed him untill hes tamed

There you have it.