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Post by beenriding on Sept 6, 2015 21:29:28 GMT -5
Cool but reads double. Keeps you on you math toes!
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Post by ricardoguitars on Sept 7, 2015 14:40:09 GMT -5
A resistor might help, cut the signal in half. Can you show a pic of the sensor?
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Post by beenriding on Sept 7, 2015 18:46:47 GMT -5
No sensor, just a wire to the + side of coil.
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Post by hillbillybob on Sept 9, 2015 10:42:24 GMT -5
I may be wrong.....but, I think your new tach is the one with the correct reading. Don't know if I've ever heard of a scooter idling at 1000 rpm's......and it sure sounds to me as if it is turning faster than that.
Take it out on an open strech of road, and open it up. You'll soon know which one is right. If the new one goes to 14,000.. then I guess you are right.....But I bet it won't.
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Post by beenriding on Sept 9, 2015 15:27:38 GMT -5
hillbillybob My factory idle spec is supposed to be 1500rpms... Do you think it sounds fast? I've got the idle speed out not even touching and it reads 1080 on the little one- twice that on the digi. After my last few rides it seems the little one is good up to 2500, and the the digi one is good from there on. 55mph flat road, 6200rpms and it sounded like 6200, not the 3150 the little one indicates. I've ordered a different type, I want a tach. that works. Maybe I'll have to spend more than 10 bucks tho.
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Post by hillbillybob on Sept 9, 2015 16:23:49 GMT -5
Well that settles it, now I know the newer one, is the one that's reading correctly. I have a cheap little tach on my scoot.....similar to the lower reading one you have. They have more than one setting, and yours is in the wrong one...that's why it reads 1/2 of actual rpm's. If you adjust it to the other setting, you'll see they both read the same.
2000 is a bit fast for an idle speed (unless the enricher is still on). My scooter is totally different, but has the same 1500 rpm idle spec, but will idle at 2000 or a little higher for a minute or two when starting a cold engine, then drops to 1500, maybe 1550 when enricher kicks off.
If yours is idling at 2000 when warm, and the throttle stop screw is backed all the way off, maybe you need to slacken up the throttle cable.
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Post by beenriding on Sept 9, 2015 18:36:08 GMT -5
I've seen the ones with switchable settings, mine doesn't have it. Could be the cable, I have it adjusted so there's as little play as possible before the throttle opens. will check on that. It would be good/great to get my ride idling at the right, or closer to it. I always thought it was running too fast when I had 1500 idle on the little one.
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