You can either ride it, or find new friends, and then ride. It's your choice.
You have to give Mandibuzz 30 everflames
donkey cart
Give Mandibuzz 30 everflames.. Then she carries you to the shrine.
No yanmega is not in pokepark but flygon is
Rikou isn't in pokepark
Go to Bellossom at the flower zone and it will give you a watering can.
after you beat hitmonchman in the lava zone go to the mine cart in lava zone then in carvern zone he is next to the hot spring
it's not in pokepark 1.
When you find the Bouquet in the Flower Zone behind the Driftblim stop, give it to Bellossom and she will be your friend.
bayleaf is not on pokepark wii only chikorita is
P-117 in PokePark Wii is Ponyta
Pokepark is around $50 i know because i have it and bought it.