88 vt800c issues - Honda Shadow Forums : Shadow Motorcycle Forum

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Old 11-30-2012, 10:37 AM   #1 (permalink)
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Default 88 vt800c issues

Ok, so here's the deal. When I first bought the bike it had a stumble when switching gears and getting on about half throttle around 3k RPMs. I noticed vacuum lines plugged and open vacuum Ports. It is a California model and had all the EGR LIKE components on the bike. I removed everything and capped the vacuum Ports that were associated to the California model. It ran wonderfully for about 2 weeks of daily driving.

It now falls on is face every once in a while and will backfire out the intake. Could this be a timing issue or something else?

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Old 12-06-2012, 10:16 AM   #2 (permalink)
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Bump any ideas?

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Old 12-06-2012, 02:00 PM   #3 (permalink)
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Sounds like a vacuum leak. What model bike?
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Old 12-07-2012, 11:37 AM   #4 (permalink)
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1988 Honda shadow VT800c, California model.

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Old 12-07-2012, 02:34 PM   #5 (permalink)
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I'd start by rechecking all the line plugging you did make sure it's all sealed up. Soumds like a leak to me too.
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Old 12-13-2012, 08:24 AM   #6 (permalink)
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Thanks, I'll start there.

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