CROSSPLANE inline 4 EXPLAINED in detail - How the YAMAHA R1 i4 differs from all other INLINE FOURS
Step by step secondary balance explanation: (start at 01:08)
Audiovisual demonstrations of different engines:
00:00 Inline four is everywhere
01:52 What’s a crossplane crankshaft
03:47 Crossplane and flat plane engine balance
12:37 Crossplane firing interval
14:50 Flat plane vs crossplane sound
18:06 Big bang engines in MotoGP and their benefits
24:22 Why no other bike went crossplane
The inline four cylinder engine is likely the most plentiful engine configuration in the world. It outnumbers other engine configurations because it offers an optimal blend of physical size, efficiency and power potential for most applications. And you can find an inline four engine in thousands upon thousands of different cars, bikes, boats, trucks, you name it – it’s everywhere. Walk through a city street almost anywhere in the world and chances are very slim that there isn’t an inline four somewhere