Your favorite torque

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HappySwed
Frischling
Frischling
Beiträge: 8
Registriert: 4. Januar 2016, 09:44
Wohnort: Stockholm. Sweden

Your favorite torque

Beitrag von HappySwed » 27. Februar 2016, 19:39

Soon the time to assemble the cylinder head and valve cover. As a motor rookie I am very uncertain. When I look at my Haynes I can find different figures for torque.

I would appreciate your experience.

Greetings from Sweden.
HONDA XL500S. 1980.

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Gunnar_HH
XL Guru
XL Guru
Beiträge: 3331
Registriert: 16. Juli 2002, 14:42
Wohnort: Hamburg / Bramfeld

Re: Your favorite torque

Beitrag von Gunnar_HH » 27. Februar 2016, 20:39

That's right, there are 6mm and 7mm and camsproket. Take a look to the picture.
Dateianhänge
torques.jpg
XL500R / Bj 82
Moto 6.5 / Bj 96
Der Großbaum hat immer Recht, erst danach kommt, was der Skipper sagt.
WAFI: Wind assisted freaking idiot

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Gunnar_HH
XL Guru
XL Guru
Beiträge: 3331
Registriert: 16. Juli 2002, 14:42
Wohnort: Hamburg / Bramfeld

Re: Your favorite torque

Beitrag von Gunnar_HH » 28. Februar 2016, 16:51

Hello Happyswed,

you did asked us to our experience.
The M6 thread must withstand exactly 10Nm. Not more not less. When the threads run away you need thread-inserts from "HeliCoil" or "TimeSert" or "Ensat". The aluminum cylinder head is very soft.

Best regards
Gunnar

Thread=Gewinde
XL500R / Bj 82
Moto 6.5 / Bj 96
Der Großbaum hat immer Recht, erst danach kommt, was der Skipper sagt.
WAFI: Wind assisted freaking idiot

HappySwed
Frischling
Frischling
Beiträge: 8
Registriert: 4. Januar 2016, 09:44
Wohnort: Stockholm. Sweden

Re: Your favorite torque

Beitrag von HappySwed » 3. März 2016, 15:20

Many thanks for your info!

I have now made the first test with the 4 off M6 bolt to the Valve adjuster lid. I use 10 Nm and it was OK.

I still have problem with a broken M6 bolt left in the cylinder head. I have drilled a 4 mm hole into the bolt. One person recommended me to use a left-hand drill. Any experience?

Also in the cylinder head there is a broken Helicoil insert. Same person recommended me to drill a bigger hole, for M8 or M10 if it was possible. Then made an "insert" from a bolt and made a M6 tread in it. Good idea?

Do you use any Loctite or similare?

Thanks in advance!
HONDA XL500S. 1980.

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Gunnar_HH
XL Guru
XL Guru
Beiträge: 3331
Registriert: 16. Juli 2002, 14:42
Wohnort: Hamburg / Bramfeld

Re: Your favorite torque

Beitrag von Gunnar_HH » 3. März 2016, 20:21

Very interesting. Send us a photo. Max. size largest side 760 px.

Left-hand-drill can help you, but you have to heat up the section before trying.
And the dont break-through the drill-out-tool (worst case).
Using a bigger insert is also a good idea,but there must be enough material (flesh) around.
No Loctite for screws, maybe for the inserts.

Hej då
Gunnar
XL500R / Bj 82
Moto 6.5 / Bj 96
Der Großbaum hat immer Recht, erst danach kommt, was der Skipper sagt.
WAFI: Wind assisted freaking idiot

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Gunnar_HH
XL Guru
XL Guru
Beiträge: 3331
Registriert: 16. Juli 2002, 14:42
Wohnort: Hamburg / Bramfeld

Re: Your favorite torque

Beitrag von Gunnar_HH » 3. März 2016, 20:27

and greetings to Lundgrens. Best fishing shop, ever.
Dateianhänge
lundgrens.jpg
XL500R / Bj 82
Moto 6.5 / Bj 96
Der Großbaum hat immer Recht, erst danach kommt, was der Skipper sagt.
WAFI: Wind assisted freaking idiot

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