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 Spark plug cap update for Guzzi 8V models

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eeyore
Grignapoco
Grignapoco
eeyore

Posts : 170
Join date : 2016-09-09

Spark plug cap update for Guzzi 8V models - Page 2 Empty
PostSubject: Re: Spark plug cap update for Guzzi 8V models   Spark plug cap update for Guzzi 8V models - Page 2 Icon_minitime1Wed Jul 03, 2019 12:18 pm

To help the original caps last a little longer add a little silicone grease to top of the plugs. This helps prevent the rubber sticking to the ceramic and also keeps water out. When removing the caps use a screwdriver inserted in the drain hole above the exhaust and push the cap up and off This avoids the need to pull from above.
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Gootzibird13
Carlotto
Carlotto
Gootzibird13

Posts : 29
Join date : 2020-10-17

Spark plug cap update for Guzzi 8V models - Page 2 Empty
PostSubject: Re: Spark plug cap update for Guzzi 8V models   Spark plug cap update for Guzzi 8V models - Page 2 Icon_minitime1Thu Dec 31, 2020 5:14 am

It seems that I am one of the few that still has original factory plug wires. I always use 1" cloth cutting to pull caps carefully parallel with the plug tunnels when accessing plugs. And I utilize ACF-50 inside and out of connectors themselves upon assembly. 52,000 miles

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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7845
Join date : 2013-05-29
Age : 64

Spark plug cap update for Guzzi 8V models - Page 2 Empty
PostSubject: Re: Spark plug cap update for Guzzi 8V models   Spark plug cap update for Guzzi 8V models - Page 2 Icon_minitime1Thu Dec 31, 2020 3:22 pm

Mine are still fine, they're off the 2012 wreck I bought for the motor. Never had a problem with them since I learnt the trick of levering them off from underneath with a screwdriver inserted through the cooling tunnel above the exhaust manifold. It's a good idea to put a smear of rubber grease on the sealing rings on the caps as well, especially in damp climates or ridden when roads are salted.
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beetle
GRiSO Capo
GRiSO Capo
beetle

Posts : 8249
Join date : 2013-09-30

Spark plug cap update for Guzzi 8V models - Page 2 Empty
PostSubject: Re: Spark plug cap update for Guzzi 8V models   Spark plug cap update for Guzzi 8V models - Page 2 Icon_minitime1Thu Dec 31, 2020 3:58 pm


Mine would be..if my spark plugs hadn't failed that one time...."updated" the plug caps while troubleshooting. That still irks me.


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Oz1200Guzzi
Don Abbondio
Don Abbondio
Oz1200Guzzi

Posts : 4873
Join date : 2014-03-13
Age : 66

Spark plug cap update for Guzzi 8V models - Page 2 Empty
PostSubject: Re: Spark plug cap update for Guzzi 8V models   Spark plug cap update for Guzzi 8V models - Page 2 Icon_minitime1Thu Dec 31, 2020 4:22 pm

Call it a Gee Gaw, Mark.
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Leone
Tanabuso
Tanabuso
Leone

Posts : 57
Join date : 2019-02-17
Age : 43

Spark plug cap update for Guzzi 8V models - Page 2 Empty
PostSubject: Re: Spark plug cap update for Guzzi 8V models   Spark plug cap update for Guzzi 8V models - Page 2 Icon_minitime1Sat Jan 02, 2021 6:02 pm

Add me to the "unnecessarily gimped his plug wires while troubleshooting" club. I had a periodic idle "chuff" in hot weather that ended up being a matter of fuel trim adjustment and other fine tuning measures. Sadly, my poor wires met an untimely and gruesome butchering before figuring that out. No No No
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Dilliw
GRiSO Capo
GRiSO Capo
Dilliw

Posts : 182
Join date : 2016-02-17
Age : 58

Spark plug cap update for Guzzi 8V models - Page 2 Empty
PostSubject: Re: Spark plug cap update for Guzzi 8V models   Spark plug cap update for Guzzi 8V models - Page 2 Icon_minitime1Sat Jan 02, 2021 7:52 pm

While I appreciate the investment in time and effort to make the OEM caps work, they are still a bad design and prone to eventually fail. Better to switch them to the NGKs and be done with this.
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