Harley Davidson Evolution Engine Problems

Although the Harley-Davidson Sportster is fairly reliable there are a few issues worth noting.

Harley davidson evolution engine problems. Httpswwwsandiegocustommotorcyclesinfo - Harley Davidson motor problems. The Evolution Evo engine is a V-twin engine that has been manufactured and used by Harley-Davidson since 1984 for a variety of different Harley motorcycle models. First an engines operating temperature is the balance between the heat the engine generates and the ability of its cooling system to reject that heat.

I had many bikes before it. This harley davidson evolution engine problems as one of the most full of life sellers here will very be in the midst of the best options to review. Theres nothing wrong with this.

This engine system has a high engine shift capacity of 1340CC. Leaned a few tricks over the years to get one out thats to tight. There are two main problems with the motorcycles that Harley-Davidson produces that contribute to this.

In my shop now is an EVO engine with a custom cam of just 500 lift it would have been most likely fine except extra long valve springs were installed that coil bound to the point of lifting the rocker boxes up and causing oil leaking on the rocker boxes. Answer 1 of 6. It utilizes plastic shoes riding on the cam chains that can and will actually wear out in due time.

The actual design itself is designed poorly. The OEM clutch springs can be somewhat weak. Working on a 31 year old Harley-Davidson Evo motor.

Some of the exhaust bolts can also rattle free due to their design. The issue here is restriction in the oil return. What are the changes and their purposes.