Can I upsize tyres in Yamaha yzf-r15?

Tell me the engine specifications of Yamaha yzf-r15? How is the performance of Yamaha yzf-r15? What is the tyre pressure for Yamaha yzf-r15? What are the variants of Yamaha yzf-r15? How many colours are available in Yamaha yzf-r15? What is onroad price of Yamaha yzf-r15 in India? What is the mileage of Yamaha yzf-r15? What is the top speed of Yamaha yzf-r15? What is the acceleration of Yamaha yzf-r15? What is the power of Yamaha yzf-r15? What is the lowest price of Yamaha yzf-r15 in India? What is the mileage of Yamaha yzf-r15 on highways and City? What is the waiting period of Yamaha yzf-r15 in India? Is Yamaha yzf-r15 available through CSD canteen? What engine oil is best for my Yamaha yzf-r15? What is the price of Yamaha yzf-r15 in India? What is the fuel tank capacity of Yamaha yzf-r15? What is the storage space of Yamaha yzf-r15?

Can I change tyres to bigger size in Yamaha yzf-r15? Does Yamaha yzf-r15 has alloy wheels? What is the size of the front and rear tyre of Yamaha yzf-r15 bike? Which is the best battery for Yamaha yzf-r15 bike? What are the problems with the Yamaha yzf-r15 bike? What is the solution for starting problem in Yamaha yzf-r15? What is engine capacity or cc or cubic capacity or displacement of Yamaha yzf-r15 Bike? What is the interest rate for Yamaha yzf-r15 Bike? How much is down payment when buying Yamaha yzf-r15 Bike? What are the special schemes for government employees or teachers or doctors and corporate discounts for buying Yamaha yzf-r15 Bike? What are the accessories for Yamaha yzf-r15 Bike? What is the resale value of Yamaha yzf-r15 Bike? What is road tax of Yamaha yzf-r15 Bike? What is the price of the front and rear tyre of Yamaha yzf-r15 bike?