Yanmar L70EE-D Single Cylinder Diesel Engine

The first start up of this Diesel engine I bought for a mini bike project. I am going to fire it up during the day to get some heat in it to see if it will clear up. Might be a stick injector of clogged return line but it's chooching terrible.

[jetstream]

It won't rev up all the way possibly because you've over-muffled the exhaust with that extra end bit

[jaybarber]

This is the original one, that the Chinese are copying?