Question about 1984 Yamaha FJ 1100
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sequence for head bolt torque
Yamaha 1992 FJ1200 Service Manual
OEM parts for Yamaha
Posted on May 19, 2017
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Posted on Jan 02, 2017
Refer to a shop manual.Ask dealer or independent shop to look values up.Look up on the I net.Need to find "specification - torque values" from some source.Anyone out there have a shop manual?
Posted on Jun 12, 2009
Can't tell you for sure but look on HLSM.com(the marina one) and there are 3-4 sites under this hlsm site once your at it that let you look up with actual dealer microfiche diagrams that you could see if both use the same amount of steel/fiber plates or if the part # crosses over to each,it still could be applicable as long as the outer spokes on the fiber plates were'nt smaller in width to the cut outs on the outside diameter of aluminum clutch basket that they go into,because if they are these smaller tabbed plates would "hammer back and fourth on or in the basket" every time you gas on it or let off (when you look at it form the side when you have the center hub that the spring loaded screws in a circle hold down,the skinnyer tabs on the plate would be hitting left to right on the wider aluminum outer basket which WILL cut wavy grooves and cause the aluminum that is hammered off when this happens to go thru the oil pump "and you know that some of this gritt will multiply and cause alot more abrasive gritt" which kills a motor as it passes thru everything in there thats real expensive and deadly to the life of the engine.hlsm.com will let you see what you need,the first subsite under,i think it is POWER SPORTS is easy:just click Yam the STREET,then Year,etc.simple and good to use,and you can print only if you go top left of your screen to FILE then hit print,the site wont let you print a diagram if you try to just right click your mouse to print so you have it next to you when working on the bike.good luck,wallace
Posted on Jul 26, 2009
SOURCE: 1980 yamaha xs400g special
The crank case should be tightend in a criss cross pattern. Top,bottom,side, side in a circle. The bigger bolts torque to 25 lbs, the smaller ones 10 lbs. I would do the big ones with a torque wrench and the smaller ones by hand. Chaz Moto DC
Posted on Feb 25, 2010
Get in touch with your local yam dealer ,and speak to a mechanic ,they may be able to help ,or get hold of a workshop manual .
Posted on Mar 13, 2010
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Since you didn't say which engine you have, I've pulled torque specs for 3 different engines. Also, since I can't include a diagram showing the relative locations of the numbered head-bolt locations, it would be a good idea for you to purchase a vehicle specific repair guide that will show this info.
Take particular note about the TTY (Torque to Yield) bolts used on 2 of the 3 engines shown. It is said that new head bolts MUST BE USED when head is replaced or re-installed to obtain the proper torque.
B2500 4 Cylinder
Torque sequence: --------- ' 10 6 2 4 8
' front ' ' ' 7 3 1 5 9 ' -----------Step 1: torque in sequence to 51
Ft/Lbs Step 2: torque again in sequence to 51 Ft/Lbs Step 3: final
tighten all bolts an additional 90 to 100 degrees recheck final
torque in sequence *** CAUTION ***engine uses Torque To Yield head
bolts (TTY) that permanently stretch during the initial installation.
New head bolts must be used when cylinder head is replaced or
re-installed to obtain proper torque.
B3000 3.0 6 Cylinder
Torque sequence ---------- ' 6 4 2 8 '
' ' ' 5 1 3 7 ' ---------- Step 1: torque to 59 Ft/Lbs Step 2: loosen
in sequence (1) full turn Step 3: torque to 41 Ft/Lbs Step 4: torque
to 73 Ft/Lbs
B4000 4.0 6 Cylinder
Torque sequence --------- ' 5 1 3 7 ' '
' ' 6 4 2 8 ' --------- Step 1: torque cylinder head bolts in
sequence to 26 Ft/Lbs Step 2: torque cylinder head bolts to 56 Ft/Lbs
Step 3: turn cylinder head bolts in sequence an additional 90-degrees
recheck final torque in sequence *** CAUTION ***engine uses Torque To
Yield head bolts (TTY) that permanently stretch during the initial
installation. New head bolts must be used when cylinder head is
replaced or re-installed to obtain proper torque.
Good luck with this job!
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