Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models
by kennystag » Tue Dec 01, 2015 8:08 pm
Hi All,
What spark plugs would you recommend for a GP 150.
Cheers
Stag
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kennystag
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by GP240 » Tue Dec 01, 2015 10:52 pm
Champion N4
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GP240
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by rossclark » Wed Dec 02, 2015 11:10 am
Never had any trouble with NGK as long as you buy genuine, not fakes from ebay
7 rated for low speed
8 for motorway / high speed / tuned
There's equivalence charts for Champion / NGK / NipponDenso ratings on
https://www.boschsparkplugs.net/learnin ... sion-chart
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rossclark
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by JETEX » Thu Dec 03, 2015 8:08 pm
As a car mechanic, I prefer NGK for cars. Champion went off the boil, but now seem to be making a comeback. I prefer Champion for the Lambretta. Not fussed at all on Bosch spark plugs, although other Bosch electrics / electronics are spot on.
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JETEX
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by Fireman Ash » Fri Dec 04, 2015 8:07 pm
Both mine are Champion, for some reason a nicer big fat spark, NGK seemed a weaker spark, just my experience, both scoots standard 6v set up
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Fireman Ash
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