Yamaha R15 V4 Service Manual -

But the V4 was his dream. The liquid-cooled 155cc, the Deltabox frame, the VVA—variable valve actuation—that made it scream past 7,400 rpm. He just needed to resurrect it.

The Gospel of the R15

A broke engineering student buys a salvage-title R15 V4, and the only thing standing between him and a catastrophic engine failure is a pirated PDF of the service manual—and a midnight race against time. Arjun had done many stupid things for clout. Buying a wrecked R15 V4 from a salvage yard for thirty thousand rupees was top of the list. The bike looked like it had been kicked off a cliff—tank dented, fork seals weeping, and a sound from the engine like loose marbles in a blender. yamaha r15 v4 service manual