Carburetor seat leaking. All the diagnostic tests you need! Before after needle seat repair. Send it
Channel: How 2 Wrench
Date: 2022-11-12

A customer sent these carburetors to us to repair needle seats that wouldn't hold. We show before and after results of the testing and repair along with deep dive on what we are doing. If you would like your carbs repaired, contact us at www.how2wrench.com 
Time Stamps:
0:00 Subscribe and Time Stamps
0:14 Intro and Bowls not draining test
2:31 How overflows work
6:25 Testing the CV diaphragm slides
6:41 Collecting the fuel sample benefit
7:46 Junk found in the needle seat
8:12 How the accel pump is routed
9:16 Flipping parts concerns. and parts storage
11:13 Proving fuel flow to the needle seats
12:37 How bowl drains work
15:30 Needle seat inspection
15:59 Needle clip clearance inspection
17:27 Needle seat PSI tests 
23:24 Before and after repaired seat comparison
24:31 After repair adjustments and testing
25:52 How the accel pump works and assembly
30:27 Testing the accel pump with the bowls off
35:43 Bowl gasket surface test
37:07 Demagnetizing tool 
39:20 Storage totes save the day
39:34 Wet testing the accel pump
40:58 Final test and summary

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