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79 Bonneville 750
#202847 09/17/2007 6:21 PM
Joined: Sep 2007
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Complete Newb
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Complete Newb
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I have one that is seized and I'm trying to get some info for how to take it apart and put it back together. Would anyone here know where to get technical info on this bike. Thanks.

Re: 79 Bonneville 750
Adiggity #202848 09/17/2007 6:51 PM
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Monkey Butt
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I still have one of these for the old Bonny and probably somewhere a service manual.



You could always try this, the engines did not change that much.

750 Bonneville


Ray(UK)
Re: 79 Bonneville 750
Adiggity #202849 09/17/2007 7:28 PM
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Check Pants
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Check Pants
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Over at Triumphrat.net, there is a forum just for vintage bikes. They seem pretty active and should be a good resource. A Haynes manual would be pretty handy, they are available from bike book sources everywhere.


Al
Re: 79 Bonneville 750
ssjones #202850 09/17/2007 11:54 PM
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Fe Butt
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I know those bikes. You do need some special tools if you are planning a complete disassembly. A couple special pullers and pushers. If you need more info I can help.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: 79 Bonneville 750
Adiggity #202851 09/18/2007 2:43 PM
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Pull the plugs and pour in some Marvel Mystery Oil. Let it sit for a few days and see if you can turn her over(gently, now). That worked on my '76.

Re: 79 Bonneville 750
oldmike #202852 09/18/2007 3:13 PM
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Fe Butt
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Fe Butt
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make sure if you put anything down the cyl. (diesel fuel works pretty well too) you have the plugs out when you try and turn it or you may have a hydraulic lock,you can't compress the oil. Also make sure it is somewhere that if it does break loose the oil that comes out of the plug holes can shoot harmlessly into the air. My friend shot diesel all over his white living room ceiling from all 4 cyl. of a Honda 750four. On that note after he broke that loose he rode it for several years with no engine work ever being done,I was amazed.


I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
Re: 79 Bonneville 750
Adiggity #202853 09/19/2007 7:27 PM
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Learned Hand
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Andy,send me a P.M. with your phone # when you're ready to tear into this thing. I'll coach you through it. I've built many of these motors. Split cases, balance rotating parts, and the part that separates the men from the boys,indexing the transmission. You'll probably get away with just doing the top end. But if you really want go big, I'll hold your hand(figuratively,of course).


Strangler

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