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 New spark plugs, every year?

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Triman023
Grignapoco
Grignapoco


Posts : 178
Join date : 2014-06-05
Age : 66

PostSubject: New spark plugs, every year?   Mon Dec 01, 2014 10:10 am

cyclops This is what the manual says, change em once a year. Is this what everyone does?
Or is it a conspiracy to sell expensive plugs? My other bikes had the plugs up to 10K
miles and they looked fine. Does the GRiSO wear them out faster?
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Pete Roper
GRiSO
GRiSO


Posts : 3769
Join date : 2013-05-29
Age : 59

PostSubject: Re: New spark plugs, every year?   Mon Dec 01, 2014 10:51 am

No. Nor is there any need to use the platinum plugs suggested for the early models. Unless they give you grief they'll go a lot longer. Most cars nowadays have 50,000 mile plug change intervals. A higher revving engine like the GRiSO, (Well, higher than most cars.) will wear 'em out slightly quicker but yearly or 10,000 changes are a bit of overkill, as is swapping the brake lines every three years and that is suggested too for some reason???

Pete
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Triman023
Grignapoco
Grignapoco


Posts : 178
Join date : 2014-06-05
Age : 66

PostSubject: Re: New spark plugs, every year?   Mon Dec 01, 2014 11:01 am

Perhaps they get a cut from the companies that make these..

Must be some extra picky tech in the background somewhere..
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Steak
L'Innominato
L'Innominato


Posts : 1905
Join date : 2013-05-28
Age : 51

PostSubject: Re: New spark plugs, every year?   Mon Dec 01, 2014 1:29 pm

The NGK Iridium plugs are a fine - CR8EIX (4218), and less expensive, substitute for the NGK Platinum long-life series.  I generally swap mine out every other fluid/valve adjustment/TB balance interval - or every 12,500 miles, but I do inspect them at every interval (6250 miles) when adjusting the valves.

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2012 MOTO GUZZI GRiSO 1200SE

2013 MOTO GUZZI STELVIO 1200NTX - Orange Blossom Special
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Grisonut
GRiSO
GRiSO


Posts : 1015
Join date : 2014-01-02

PostSubject: Re: New spark plugs, every year?   Mon Dec 01, 2014 3:31 pm

I use the Iridium as well and plan to leave it there until I get to the 30K miles mark or so...
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Phang
Grignapoco
Grignapoco


Posts : 170
Join date : 2013-11-22
Age : 44

PostSubject: Re: New spark plugs, every year?   Mon Dec 01, 2014 9:38 pm

Mine are 20k km (12.5k miles) / 5 years.

I pulled the spark plugs of a 30k km (19k miles) Stelvio recently, stilling running on the plugs from the factory. Those NGK PMR8B has no obvious wear to my naked eyes as well as the gap gauge.
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Steak
L'Innominato
L'Innominato


Posts : 1905
Join date : 2013-05-28
Age : 51

PostSubject: Re: New spark plugs, every year?   Tue Dec 02, 2014 3:00 am

My OEM NGK Platinum plugs after about 13K miles:

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2012 MOTO GUZZI GRiSO 1200SE

2013 MOTO GUZZI STELVIO 1200NTX - Orange Blossom Special
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PostSubject: Re: New spark plugs, every year?   Today at 10:05 pm

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New spark plugs, every year?
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