Carburetor spacer for Briggs and Stratton Sno/Gard 62000 (Snowblower Hako 6009H)

thingiverse

I have a Briggs and Stratton Sno/gard 62000 two-cycle engine in my Hako Snowblower. The carburetor had a rare problem with the diaphragm that cost about $100 to replace. I tried to fix it myself but failed, so I decided to use a stock universal diaphragm carburetor from a brush cutter instead. The biggest challenge was adapting the new carburetor to my snowblower's engine. It had different bolt spacing, throat diameter, and mounting requirements than the original carburetor. To solve this problem, I used FreeCAD to design a custom spacer that would fit between the old carburetor and the new one. I printed the spacer in PET-G and sanded it inside to create a smooth surface. Then, I applied epoxy glue for fuel resistance and inserted the upper bolts with epoxy. The spacer fits perfectly, and the engine runs smoothly without any issues. However, I still have some problems to solve. The new carburetor has a different throttle design than the original one, which makes it harder to turn. This also affects the governor's performance, making it unable to overcome the resistance of the throttle.