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xs650 > > High Performance Modifications > > Top End Work > > Head Cover seating |
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BklynMatt Full Member
Joined: Sep 21, 2008 Posts: 23
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Posted: August 23, 2009, 4:31 pm Post subject: Head Cover seating |
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I lost my Mentor who was guiding me through the Valve Job I was doing on my 81 XS650, I sent the head out & reassembled the Head & cam Chain & then (this is the point I lost my Mentor) I attempted placement of the Head Cover (Using Haines & Clymer Manuals) I placed the HC on & it would not sit Flush with the Head. My suspicions are that the Cam needs to be rotated so there is no lobe in the upright position. True?
Unfortunately I screwed the pooch , In pulling the cover off & on I inadvertantly bent one of the Bushings & need to replace it ,
Can any one walk me through the spaces that the Manual does not exsplain.
The Torquing specs in Both Manuals leave a lot to be desired, but i found the specs (You would think they would be included in the chapter devoted to Reassembly but the ink must be too costly to include it at that point.
I feel like a fool Having bent the bushing, I guess I let the Humidity & stress get to me.
HELP!!
Matt
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Retiredgentleman 650Rider Supporter
Joined: Mar 03, 2007 Posts: 2258 Location: Calgary, Alberta 1978 XS650 SE
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Posted: August 23, 2009, 10:36 pm Post subject: Re: Head Cover seating |
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You need to back off the valve clearance adjuster screws (tappets). which will allow the rocker cover to fit down properly.
Where is this damaged bushing? Can you post a picture?
_________________ Accel Coil, Pamco Ignition, Heiden Oil Filter/Cooler, VR-115 Regulator, Double Bridge Rectifier, 17/33 gearing, 55 mpg |
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BklynMatt Full Member
Joined: Sep 21, 2008 Posts: 23
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Posted: August 24, 2009, 7:12 am Post subject: Re: Head Cover seating |
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Good Morning R.G.
Right now the bushing is jammed in the Head Cover, I did a real Rookie mistake & forced it in. This is one of the 4 bushings (roll formed I suspect )with the o-ring that goes on the outer 4 stud holes.The rolled over end is upset it would be tricky to try to bring it back to form.
If i can't find one I'll have to get one made. Mikes doesn't carry them. They are supposed to be "Pressed" in but mine were quite loose,
Any sugestions about a source for this? I'd like to replace them all.
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yamaman Support Staff
Joined: Jan 04, 2007 Posts: 1638 Location: Perth Western Australia
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Posted: August 24, 2009, 7:29 am Post subject: Re: Head Cover seating |
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Hi Matt, are you talking about the dowel pins, #2 in this diagram?
www.biker.net/77-79_65...0main.html
I'd try Yamaha, you might find that it's a part common to some other models perhaps...........Or even that it's a stock item. It happens sometimes!
Cheers
_________________ Its not enough to have an aim in life, you have to pull the trigger! |
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yamaman Support Staff
Joined: Jan 04, 2007 Posts: 1638 Location: Perth Western Australia
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Posted: August 24, 2009, 7:35 am Post subject: Re: Head Cover seating |
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In fact, I put that part # into google, and it came up as a outboard engine dowel, so thats interesting! Some part numbers translate to other Yamaha stuff! I wonder what else is out there????
So I'd reckon no probs getting it at your local Yamy dealer!
www.boats.net/parts/de...16-00.html
_________________ Its not enough to have an aim in life, you have to pull the trigger! |
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BklynMatt Full Member
Joined: Sep 21, 2008 Posts: 23
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Posted: August 24, 2009, 9:48 am Post subject: Re: Head Cover seating |
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not the dowel pin, mikes has those the sleeves item#7
Thans for the diagram
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yamaman Support Staff
Joined: Jan 04, 2007 Posts: 1638 Location: Perth Western Australia
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Posted: August 24, 2009, 10:07 am Post subject: Re: Head Cover seating |
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OK, sorry about that, try these guys, or your local Yammie guy.....
www.yamaha-motor.com/s.../home.aspx
Cheers
_________________ Its not enough to have an aim in life, you have to pull the trigger! |
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Retiredgentleman 650Rider Supporter
Joined: Mar 03, 2007 Posts: 2258 Location: Calgary, Alberta 1978 XS650 SE
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Posted: August 24, 2009, 10:20 am Post subject: Re: Head Cover seating |
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Yamaman gave you some good sites.
part # 256-11199-00-00 Sleeve Cly Head Cover @ $5.24 on www.boats.net.
_________________ Accel Coil, Pamco Ignition, Heiden Oil Filter/Cooler, VR-115 Regulator, Double Bridge Rectifier, 17/33 gearing, 55 mpg |
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yamaman Support Staff
Joined: Jan 04, 2007 Posts: 1638 Location: Perth Western Australia
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Posted: August 24, 2009, 10:33 am Post subject: Re: Head Cover seating |
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Retiredgentleman wrote: |
Yamaman gave you some good sites. |
I did indeed, even better than I first thought! I've certainly added that site to my faves!
_________________ Its not enough to have an aim in life, you have to pull the trigger! |
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BklynMatt Full Member
Joined: Sep 21, 2008 Posts: 23
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Posted: August 24, 2009, 10:36 am Post subject: Re: Head Cover seating |
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thanks for the tip VK , I found 2 from a NW vintage on the west Coast, they are processing the Order now,
This is the Best Forum I ever used, You guys are the Best
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BklynMatt Full Member
Joined: Sep 21, 2008 Posts: 23
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Posted: August 24, 2009, 10:40 am Post subject: Re: Head Cover seating |
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Boats .net didn't have it or their site isn't set up for E-commerce, there was a message saying Yamaha didn't support the part, They had a wish List and a phone #, no ordering. But they had a price posted of $5.24
Anyway I found someone who had it
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wally Full Member
Joined: Apr 04, 2007 Posts: 538 Location: Sydney Australia
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Posted: August 24, 2009, 1:26 pm Post subject: Re: Head Cover seating |
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Matching Models to this part number
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