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Join Date: Nov 2019
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Head on 2002
So I thought about putting a helia coil in the worn out plug hole but have been told they wouldn't hold because of the aluminum head any truth and if so does anyone know where to get used parts
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Mazda RX7
You need to have a Timesert fitted to head not a helicoil
2000 rebel 250 Aussie My Baby.
2012 honda PSX 150cc scooter [in Thailand]
1986 rebel Silver 450 Elvis
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Join Date: Jun 2014
Location: Nevada
Posts: 1,481
Another option is Keenserts an Alcoa aluminum brand stainless steel insert
you will have nothing but problems over time using Helicoil insert in aluminum
you will have nothing but problems over time using Helicoil insert in aluminum
96 VS800 Intruder (sold 2018 ), 87 CMX250C Rebel,
79 CB400 Hawk (sold 93), 75 CB350 (sold 83), 71 CB350 (stolen 74)
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Join Date: Oct 2019
Posts: 55
Quote:
Originally Posted by SoakedKarma
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Another option is Keenserts an Alcoa aluminum brand stainless steel insert
you will have nothing but problems over time using Helicoil insert in aluminum
you will have nothing but problems over time using Helicoil insert in aluminum
Join Date: Jun 2014
Location: Nevada
Posts: 1,481
being a spring filling in excess space there is nothing holding it into place.
as you torque spark plug the helicoil will deform the threads cut into the aluminum slightly each time plug changed.
This won't cause problems at first, but as years go by and the number of times plug changed helicoil can loosen enough to extend into cylinder when a new one installed or retract itself when plug removed..
As you have already installed helicoil I would use anti-seize compound on spark plug threads and be extremely careful not to over torque..
as you torque spark plug the helicoil will deform the threads cut into the aluminum slightly each time plug changed.
This won't cause problems at first, but as years go by and the number of times plug changed helicoil can loosen enough to extend into cylinder when a new one installed or retract itself when plug removed..
As you have already installed helicoil I would use anti-seize compound on spark plug threads and be extremely careful not to over torque..
96 VS800 Intruder (sold 2018 ), 87 CMX250C Rebel,
79 CB400 Hawk (sold 93), 75 CB350 (sold 83), 71 CB350 (stolen 74)
Help others help you, Include Year in your signature...
Join Date: Oct 2019
Posts: 55
Quote:
Originally Posted by SoakedKarma
View Post
being a spring filling in excess space there is nothing holding it into place.
as you torque spark plug the helicoil will deform the threads cut into the aluminum slightly each time plug changed.
This won't cause problems at first, but as years go by and the number of times plug changed helicoil can loosen enough to extend into cylinder when a new one installed or retract itself when plug removed..
As you have already installed helicoil I would use anti-seize compound on spark plug threads and be extremely careful not to over torque..
as you torque spark plug the helicoil will deform the threads cut into the aluminum slightly each time plug changed.
This won't cause problems at first, but as years go by and the number of times plug changed helicoil can loosen enough to extend into cylinder when a new one installed or retract itself when plug removed..
As you have already installed helicoil I would use anti-seize compound on spark plug threads and be extremely careful not to over torque..
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