400 /07 / torque the head down

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johno118
Posts: 28

400 /07 / torque the head down

Post#1 » Tue Apr 03, 2018 2:46 pm

So just fit a new cam chain new head gasket
Got a haynes, I cannot find torque settings for head bolts
I think these haynes manuals ar sh;.te by the way
Anyone help me plz

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Ralph
Posts: 460

Re: 400 /07 / torque the head down

Post#2 » Tue Apr 03, 2018 3:19 pm

Tighten the cylinder head bolts and nuts diagonally and
evenly.
• The head bolt tightening must be performed in two stages, initial
and final tightening.
#Cylinder head bolt
Initial tightening:25 N·m (2.5 kgf-m, 18.0 lb-ft)
Final tightening: 41 N·m (4.1 kgf-m, 29.5 lb-ft)
#Cylinder head nut (M8): 25 N·m (2.5 kgf-m, 18.0 lb-ft)
Cylinder head nut (M6): 10 N·m (1.0 kgf-m, 7.0 lb-ft)
Cylinder nut : 10 N·m (1.0 kgf-m, 7.0 lb-ft)
Ralph
Nr Fleetwood
Yamaha X-max 300
icon_maxi_scoot.gif
URL=http://www.fuelly.com/motorcycle/yamaha/-x-max-300/2018/ralphm/747556]Image[/URL]

johno118
Posts: 28

Re: 400 /07 / torque the head down

Post#3 » Tue Apr 03, 2018 5:18 pm

Thats the one Ralf , many thanks bro
All the best jon

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Data
Benefactor
Posts: 1975

Re: 400 /07 / torque the head down

Post#4 » Wed Apr 11, 2018 6:37 am

The torque settings for the head bolts are in the Haynes manual. You must have missed them! Easily done.

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