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Old 02-15-2011, 04:10 PM   #1
RichHead OP
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Joined: Dec 2008
Location: Bay Area
Oddometer: 14
Airhead tachometer accuracy

Hey, I've got an r90/6 attached to a 4spd tranny and a tach/speedo from an r50/5. This may be a dumb question, but does this mean my tach reading should be way off?

Are these old tachs accurate anyway?

I'm trying to adjust my carbs and I'm wondering if I need to get a separate tach..
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