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Scott Lindroth
Scott Lindroth
@18392
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Joined: 03/21/2023 06:46
Last seen: 06/14/2024 15:40
Topics: 1 / Replies: 8
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

Hey everyone, It's been a while but I have updates on my original post. I did leak down test - all's well! No leaks in either cylinder. A pleas...

6 months ago
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

Hey guys - thanks for all the suggestions! I had to attend to the rest of my life for a bit... 😀 I pulled the carbs off to check the jet n...

8 months ago
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

Choke is okay. I obsess about making sure the choke lever on the carb is bottomed out. When I first rebuilt the carbs after buying the bike, I saw t...

8 months ago
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

Thanks. I'll pull the carbs off and go through them. It's been a year since I rebuilt them (new diaphragm, gaskets, floats, float needle). I have...

8 months ago
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

My new plugs after a glorious 120 mile ride on country roads in NC. The soot on the left plug is easily cleaned. You can see the glisten of oil on th...

8 months ago
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

Thanks, Richard. I understand the idle circuit in the carb is different from the others. The hope is to get it out for some country riding next week...

8 months ago
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

Thanks for your help! Maybe the easiest thing to try up front is running with a bit less oil - I read elsewhere on the forum that this may reduce the...

8 months ago
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RE: '75 R90/6, Bing Carbs, inconsistent spark plug appearance

Thanks all - this is very helpful. I'm waiting until the 5K ohm caps arrive before riding the bike again. I'll post pictures of the plugs afterwards...

8 months ago
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