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Are all LC tachometers faulty?


mcferreira100
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After hassles with my first tacho being slow and trying to fix it..result tacho in million pieces. I ordered a pretty good looking one off Ebay from the UK. This one now doesn`t rev past 6500rpm..otherwise working fine. What do I have to do to get one that works?

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I have said this before I think, seeing as Yamaha are so unbelievably lazy with some of there kit I would bet real money that a comparable taco of the same year will have the same guts in it. Be it Dt175, RD125 even a XS if your pushed :P.

I know you had a dt one you were using have you torn it down to have a look? Or did that come off your dt as a temp fix?

It will be either the magnets losing strength or the spring losing flexibility that make it read lazy.

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Hi Cynic..yep now that Ive opened and learnt little bit bout these tachos I would suspect spring at the back has lost tension..although I`m told this side the magnets could be likely culprits as well. Yes had a DT175 temporary tacho on there which revved happily to 8000plus. Downside I had no temp gauge on there (at least that works on this tacho).

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Is it possible to swap the guts of the/a 175 taco into the lc housing. Swapping the faces.

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Should be..although cable angle is pretty way out. Wouldn't like to try it myself..soon as you remove the needle to change faces, spring behind it loses all its tension.

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