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R75/5 conks out at stoplight

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Ken Tuvman
(@ken-tuvman)
Posts: 9
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Topic starter
 

Bike was in for service- @ lower rpms bike seems rich - takes a long time before it will stop conking out when stopping for a red light - any RX suggestions appreciated - higher revs she runs great. 

 
Posted : 07/29/2025 06:53
Ken Tuvman
(@ken-tuvman)
Posts: 9
Active Member Customer Registered
Topic starter
 
I've got a 1973 R75/5 and she was in for service - part of the tune up included new floats/O-rings and diaphrams, new points and condenser, timing set. valves and rocker arm end play was adjusted. (2) new petcock valves.
Top end has been good but mid range, she stumbles - took off the plugs and as you can see, she's running super rich. I plan to clean the plugs and will reset the mixture per the Clymer book.
Bike also has been conking out when I come to a stop. And last issue, is a known issue that I'd like to fix - after turning off petcock valves and on side stand, she leaks fuel.
Where would you start? Bing Carbs are 64/32 /9 and /10
 
 
Posted : 07/29/2025 16:34
Ken Tuvman
(@ken-tuvman)
Posts: 9
Active Member Customer Registered
Topic starter
 

Both plug super sooty!

 
Posted : 07/29/2025 16:35

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