Today marks six years since beginning this website. My original and continuing goal is to share my passion for these great bikes and hopefully inspire others to keep their own Interceptors on the road. With 72 months of archives in the history books, I thought it might be interesting to occasionally share some posts from the past. Here's the first…
July 2015
The Magic Revealed
I'm completing the tear-down of a 1986 VFR700 parts bike. I guess when you reach the crankshaft you've reached the end point, and here we are. If you've never seen the cases split on the V4, here's a look.
Traditional motorcycle engine design mated three distinct castings: the crankcase, the cylinders, and the cylinder head. As power output climbed, engineers adopted the automotive practice of casting the cylinders integral to the crankcase, as seen here. One of the first in Honda's line to do this was the CX500 V-twin. This design provides a stronger case and higher precision cylinder/crankshaft alignment.
The VFR's signature gear-drive valve train begins with the splines located in the middle of the crankshaft (arrow), supported by eight large and heavily torqued studs in addition to about fifteen smaller case bolts — this is one sturdy crankcase, necessary to contain 100+ horsepower in such a compact package.
The Magic Revealed
I'm completing the tear-down of a 1986 VFR700 parts bike. I guess when you reach the crankshaft you've reached the end point, and here we are. If you've never seen the cases split on the V4, here's a look.
Traditional motorcycle engine design mated three distinct castings: the crankcase, the cylinders, and the cylinder head. As power output climbed, engineers adopted the automotive practice of casting the cylinders integral to the crankcase, as seen here. One of the first in Honda's line to do this was the CX500 V-twin. This design provides a stronger case and higher precision cylinder/crankshaft alignment.
The VFR's signature gear-drive valve train begins with the splines located in the middle of the crankshaft (arrow), supported by eight large and heavily torqued studs in addition to about fifteen smaller case bolts — this is one sturdy crankcase, necessary to contain 100+ horsepower in such a compact package.
RSS Feed