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Post by spaz12 on Mar 31, 2016 21:14:19 GMT -5
Misunderstood ya. Anyway, yeah, try a different idle jet and see what happens. I'm also not real sure about the throttle circuits on those carbs. If it were a dellorto I'd stick with the raising the needle suggestion.
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Post by 90GTVert on Apr 1, 2016 5:18:56 GMT -5
I would spend some time working on the main jet first. Do some tuning passes and find out what works best. WOT can feel fine, but still be rich (or lean). I don't spend time on the rest of the carb till I know the main jet is right because it does have an effect across more than just high throttle openings.
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Post by cwazywazy on Apr 1, 2016 15:37:44 GMT -5
Got it to idle pretty well by dropping in a pilot jet from a stock 139QMB carb.. Dies if I get on the gas quicky so I either need to actually tune the idle with the screw or my needle is too rich. Couple vids, of the sound and my starter dying the other day.
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Post by cwazywazy on Apr 8, 2016 19:03:40 GMT -5
Got around to installing the DLH variator. I haven't noticed any definite improvements, but it pulls really good. My totally professional repair to the hole in my muffler somehow failed, so it's a bit louder than normal. Gotta fix that. I pulled the lid off the thing of grease we have in the garage and found that bushing for the bendix that I lost and replaced.. Pulled the wheels and mufflers off both scooters and cleaned all of them, plus wire brushing some of the rust off the Tao Tao muffler. Swapped the wheels between scooters because I think the black wheels look better, plus from revving it on the stand the Tao Tao wheels seem to be better balanced. (I have weights, just gotta rig up a balance sometime..) The Tao Tao and this scooter are so different to ride, even though it's basically the same thing underneath. The handlebars are a lot taller and further out so it's more like I'm on a Harley or something. The brakes feel better on the Peace Sports, probably just from having the new levers and steel line. Even the seat where I put my ass feels different. Then there's the obvious performance difference..    |
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Post by 190mech on Apr 8, 2016 19:59:29 GMT -5
You can have a line of the same scoots and one will always run/handle better than the rest,,Why?I'll never figure that one out!!  |
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Post by cwazywazy on Apr 8, 2016 21:19:12 GMT -5
So I've been thinking that a straight pipe would be cool, but I'd want it to go all the way past the rear wheel like a motorcycle. I found this which seems to be an extra long ATV header pipe. I'm guessing I could chop it before it bends up or something, but the thing is that it has $50 shipping.. Ideas? |
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Post by 190mech on Apr 9, 2016 4:16:48 GMT -5
Why not a piece of electrical conduit (EMT) from the hardware store?Lots of exhaust system parts in the plumbing and electric sections there!!
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Post by cwazywazy on Apr 9, 2016 8:19:35 GMT -5
I would weld up my own straight pipe, except I don't have a welder or any welding experience.
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Post by 90GTVert on Apr 9, 2016 9:01:33 GMT -5
You could probably take any header and find a piece of tubing to match and then get a welder to do it for you. You could either cut off the flange or make a flange yourself so the straight pipe extension could bolt on, which would leave you able to add a bolt on muffler later if you ever wanted to. You could make the flange from a steel disc like I used in my chambered muffler and wouldn't even have to do any cutting. All you'd have to do is drill it to match the flange of the header for bolts and exhaust passage. A welder could do either that or just welding a pipe on quite cheap I'd think. Before I had a welder, a local would sometimes take quick jobs like that in the back and do them in 10 minutes while I waited for $20. By the time you do all of that, it would be close to the price of the ATV pipe, but more likely to fit.
I guess the cheapest would be to cut the stock pipe and have one welded on or if you could find a sleeve clamp to match the ODs of both pipes that may work.
Even with a straight pipe, I'd think you'd want to work out some sort of support rather than leaving the header flange to deal with it.
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Post by cwazywazy on Apr 9, 2016 9:05:40 GMT -5
Okay, yeah, but I know no one with a welder. Like, at all. Could I get a pipe that slips over the pipe on the header and use something like JB Weld or whatever for high temp to glue it on? I think it'd be kinda ugly though..
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Post by 90GTVert on Apr 9, 2016 9:08:37 GMT -5
The local I mentioned was a welding shop. Google or the yellow pages should bring a few up near you.
I think you'd be better off finding a clamp than glue, but some of the muffler repair stuff may work. I have no experience with it.
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Post by cwazywazy on Apr 9, 2016 9:17:34 GMT -5
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Deleted Member
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Post by Deleted on Apr 9, 2016 10:20:21 GMT -5
Got my first used scooter and was happy with it. One day went offroading and crashed in the tree trunk. Engine mounts for org pipe cracked and org pipe bent badly  So build my first pipe.  Was loud, but worked ok. |
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Post by cwazywazy on Apr 15, 2016 12:37:54 GMT -5
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Post by cwazywazy on Apr 15, 2016 12:44:46 GMT -5
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So build my first pipe. 
