Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models
by pharrisRB225 » Mon May 07, 2018 12:45 pm
How much movement should there be in the chain with pull down chain tensioner when tensioned.
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pharrisRB225
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by Knowledge » Mon May 07, 2018 3:06 pm
Are you concerned that there is too much, or too little slack with your pull-down tensioner, or are you just asking....?
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Knowledge
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by pharrisRB225 » Mon May 07, 2018 3:57 pm
I was just asking as it feels tight but theres still about 10mm of movement at the bottom
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pharrisRB225
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by HxPaul » Mon May 07, 2018 5:54 pm
Check the chain tension were you would with a standard chain tensioner.To tight and it will still feel slack on the bottom run of the chain.
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HxPaul
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by al pushpak » Mon May 07, 2018 6:51 pm
Recommended slack is 6mm up & down movement, measured between the front sprocket & chain tensioner, I measure the chain several times by rotating it as you do get "tight spots" on some parts of the chain, I then set it to 6mm on the tightest part, bit of a faff but works for me

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al pushpak
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by pharrisRB225 » Mon May 07, 2018 10:05 pm
Yes its measures different in places when turning the clutch but im happy with that.
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pharrisRB225
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