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Gilera dna - when first turningin it on the acceleration is very fast, but when things start to warm up acceleration is a lot slower and I mean a lot!! Any ideas what I could do to fix this?

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  • 430 Answers

Could be an intake leak. Can you rev it to keep it going once the revs go down? If you can keep it going does spraying a carb cleaner or water at the intake ( not the carburator) change the way the motor runs?

Posted on Oct 25, 2012

  • ryan clayson Oct 27, 2012

    I'm thinking its now the head gasket because the engine whistles as it starts up, its coolant tank runs out more quickly than usual, white smoke comes from the exhaust ( moisture leeaking from the coolant tank) and the overheating and loss of power are both symptoms of a blown head gasket if I'm correct

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Posted on Jan 02, 2017

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cape cod bob
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SOURCE: starting problems with gilera dna 50cc scooter

no, if it starts on the kicker petrol is not an issue, could be battery though

Posted on Apr 11, 2009

ollie reece
  • 1167 Answers

SOURCE: i have a gilera dna 125 4st it takes lots of turns

the spark plug possibly get back to me if thats ok

Posted on Sep 16, 2009

Testimonial: "its ok"

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Hello Alvin!

Had to do some research on your machine and hoped there is a "Users Group" where you could go for help. No joy. You are stuck with me...??

If your scooter has spent a lot of time outdoors, I'd be suspicious of corrosion in the electrical connections. I own an Italian machine myself ('87 Alfa) and ground connections have been troublesome.

Start with you battery connections, making sure they are clean and sound. In fact, remove both and check carefully inside the cable sheaths, where the wires can be damaged. Clean the terminals well before putting the cables back on.

Then start looking closely on the frame for ground attachments. Disconnect any you find and clean the frame attachment point and the wire connector. A light sanding should clean things up.

If things are still not right, start pulling each connector you can find and inspect for corrosion. Be careful, since old plastic can snap, so try to figure out how they come apart before overpowering them. Usually a "release" pin of some sort.

You have no doubt noticed by now I'm giving very general advice, since I've obviously never seen your Gilera. Frankly, many electrical gremlins in older machines are caused by corrosion and I suspect you may find this is your problem.

All the best.

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Hi, Dratmanl9 and the usual suspects are:
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5. Valves adjusted too tight.
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I have a gilera dna 125 4st it takes lots of turns


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Starting problems with gilera dna 50cc scooter


no, if it starts on the kicker petrol is not an issue, could be battery though

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