Engine apart - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 15 (permalink) Old 06-27-2007, 12:47 AM Thread Starter
 
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Engine apart

I picked up a 1985 Vulvan 750 the other day and it is basically a rolling chassis and the motor is out of it with the heads off. I am going to try to rebuild the engine myself since it is nearly impossible to find someone who work's on Kawasaki's around here!
Anyway, my first question is:
1-Does it matter which cylinder the heads go on? Is there a specific one for the front and one for rear? Can I mix these up?!
Also,
2-what am I getting myself into with rebuilding this engine? Is there anything I should look out for?
3-Can I do without the cooling fan? Are there aftermarket one's which I can buy?

The seller said that one day the timing chain slkipped and bent a valve and that's why the bike was stripped and the motor apart and out of the bike. He said he was going to getting it fixed at the shop, but then the guy with the shop moved. I looked at all the valves, and none appear to be bent.

Did I get hosed? I paid $500 CDN for the bike, and I love it! I had to have this bike no matter what it is going to cost me to get it running.

I look forward to reading your replies.
Cheers!

Jimmy
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post #2 of 15 (permalink) Old 06-27-2007, 05:00 AM
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Jimmy, YES you need the fan. There is an aluminum aftermarket one from a company called Muzzy. You can check it out HERE. Scroll down about 1/3 the page. Here in the States, the '85 was a 700, then '86 and up were 750's. But they are both the exact same fan.

As for the heads, there IS a front one and a rear one. They can not be intermixed.
The front one will have the ACCT (automatic cam chain tensioner) on the riders left on the rear of the head.
The rear one will have it on the riders right, again at the rear of the head.

I can't be much help with the valve issue.

There are several here who have done ALOT of work on the engines, so keep an eye open and more advise/suggestion will soon follow.

And good luck with the rebuild !!


AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


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Aim for the apex."

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post #3 of 15 (permalink) Old 06-27-2007, 07:19 AM
 
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Very few parts are interchangeable between the front and rear cylinders. Most of them have a way to tell them apart, if you need help PM me, Mine has been apart so many times I think it could put itself back together.
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post #4 of 15 (permalink) Old 06-27-2007, 10:10 PM Thread Starter
 
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Thanks for the replies and support.
When I begin the rebuild, I will touch base again.
But I want to start with rebuilding the heads.
I am jsut unsure about the steps, or what order these steps are to be taken. I don't know where to start with rebuilding a motor!
Cheers!
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post #5 of 15 (permalink) Old 06-27-2007, 11:20 PM
 
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Having a service manual is key. Parts diagrams, you can get these from the kawasaki website. You'll need new gaskets, any o-rings, rubber parts that are dry rotted or worn out need to be replaced. Get a manual and go from there.
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post #6 of 15 (permalink) Old 06-28-2007, 07:52 PM Thread Starter
 
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Cheers.
Anyone know of any suppliers of rebuild kits?
Gasket kits?
Thanks.
I am in Canada, but will order out of States.
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post #7 of 15 (permalink) Old 06-29-2007, 04:20 AM
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I don't believe they offer any 'kits' to rebuild the engine any longer.
Most likely you will need to order the parts individually.


AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


"When life throws you curves,
Aim for the apex."

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post #8 of 15 (permalink) Old 06-29-2007, 09:12 AM
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Quote:
Originally Posted by asaracho View Post
Having a service manual is key. Parts diagrams, you can get these from the kawasaki website. You'll need new gaskets, any o-rings, rubber parts that are dry rotted or worn out need to be replaced. Get a manual and go from there.
The Kawasaki website only goes back to 1996 for manuals, but you can see the parts diagrams to get part #'s. My local dealer said they could order a manual for 60 or 70 bucks. There is one somewhere you can download in PDF format but its a huge file.

'09 Nomad e sold
'85 VN700 A1 (needs work)
'11 Voyager
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post #9 of 15 (permalink) Old 06-29-2007, 04:20 PM Thread Starter
 
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Thanks.
I have a Clymer manual, but I am not sure if there is somethingbetter becuase the pictures in the Clymer are horrible!
I can't believe that rebuild kits are not available!
Cheers.
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post #10 of 15 (permalink) Old 06-29-2007, 07:34 PM
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For sure no rebuild kits available. But this website oemcycle.com has great parts diagrams and part # also I recently did a complete rebuild ordered everything from them they were all oem kawasaki parts and I saved several hundred dollars ordering them myself as compared to the quote I got from the shop and dealer.

slim
missouri
95 750 vulcan
complete engine rebuild
degoated
0pen exhaust
earshave and coastered
needled & jetted
splines lubed
17400
VROC#25890
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