Knowledgebase Top articles Latest articles Why is my engine smoking? Category: Knowledgebase SMOKE COLOR ..There are usually 3 common types of smoke emitted from a diesel engine .. black, blue and white.Basically, smoke from a diesel engine indicates that something is not right. Smoke should ... 102,775 (99) Testing Injection Pump and Injectors Category: Knowledgebase There is an easy do-it-yourself way to test your injectors & pump. 1- remove the injector from your engine. 2- hook the steel fuel line back up the the injector with the injector facing a... 41,842 (76) Injection Pump Won't Pump Fuel Category: Knowledgebase My Injection Pump Won't Pump Fuel The injection pump on most YM series Yanmar engines is really just several small pumps inside of a single housing. Each cylinder gets its own small plunger that pumps... 33,769 (137) Injector Remover Puller Instructions Category: Knowledgebase Please see attached for Injector puller instructions. 67 (0) Starter Test 101 Category: Knowledgebase ======================================================================================== #### DON'T RUN OVER YOURSELF! ##### Consult your operation manual for safe starting procedures. Observe all s... 1,083 (6) Fuel Filter Spring Category: Recent Q & A Wanted to get a new fuel filter but I noticed that the one I have has a a spring in the bottom of the bowl under the filter. Will the filters you sell fit or do I need to order a new bowl? Yes our ... 476 (7)