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Stuckagain

No spark.

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'93 Beta Zero Gara. Now, bear in mind I'm otherwise a Yamaha puller-apart-er, but a Beta novice. Completely unfamiliar with Betas, and new to trials riding. I'm planning to pay-and-play with mine.

Was riding it round our field, running fine, stopped, left it for a few minutes and tried to re-start it. Nada. Checked and filled with fuel. Nope. Eventually skinned all my knuckles changing the plug. Kicked it over with plug resting on crankcase before putting it back: no spark.

What could the problem be? Coil? If so, anybody got a part number or know where I can get one in the UK or Europe? Otherwise what else could it be? 

And can anybody recommend a Beta fettler in the North West of England just in case?

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Almost certainly the stator, Beta seems infamous for them, although in fairness they don’t last forever 

worth trying a coil from another bike to check spark or get yours tested but if no spark best bet is to send stator away for rewind. Not that expensive

, check out westcountry windings, Bradford ignitions or trialssport beta stator rewinding 

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Seem to remember when I rang bradfords they gave me advice on what to check to confirm the stator was dead. Just a quick check with a multimeter confirmed in my case, but it was similar to yours, just a sudden total failure. Betas do seem prone to this fault and I was assured that rewound would be better than the original item.

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I recently had to replace the stator on my '13 300 Evo. Bought the bike used and got about 10 rides in before it failed.

 

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 Check all the grounds and connections first. Also get a puller and check the woodruff key. Zeros sheared them all the time.

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Thanks guys. It seems I'm one of the few people on the planet who thinks Beta and then automatically thinks stator failure. Took it to my normal bike fixer and I didn't even get to the end of the sentence before he'd told me what it most likely was.

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4 hours ago, 2stroke4stroke said:

It was the trigger coils on mine.

And, of course you can't buy the stator and trigger coil separately. An expensive way to buy a simple trigger coil, but at least you'll have a fresh stator out of it. 😉

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On 3/25/2021 at 11:29 AM, Stuckagain said:

Thanks guys. It seems I'm one of the few people on the planet who thinks Beta and then automatically thinks stator failure. Took it to my normal bike fixer and I didn't even get to the end of the sentence before he'd told me what it most likely was.

 So what was it?

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Just heard back from the chap fixing mine. It's the CDI. Now we're both trying to find one. Anybody got any ideas? '93 Beta Zero Gara.

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Someone has already mentioned them, but Bradford ignitons are the people to speak to. https://uk-motoplat.com/

I was under the impression the Zero/Gara's ignition is a Motoplat system. There is no seperate CDi, half of it is in the stator and the other half is in the coil.

It also has a regulator that converts to DC to run the fan.

 

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