Engine Cleaning ?'s - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 16 (permalink) Old 10-22-2006, 11:21 AM Thread Starter
 
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Engine Cleaning ?'s

I've just taken "custody" of a 1994 VN750 that belonged to my father-in-law. The bike is in great shape, but was parked for about 4 years. I've changed all the fluids, greased the splines, and have it in a local shop for a carb cleaning and tune up.

My main question is, what is the best way/product/homemade solution to clean the engine? Is there something I can use to shine it up nice without damaging the paint or chrome on the rest of the bike? It appears to be aluminum, but the lower part of the block looks to be painted silver. Any help is appreciated...
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post #2 of 16 (permalink) Old 10-22-2006, 03:14 PM
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For the most part, any good car wash solution without wax will work well. Simple Green or like cleaner is also good. The engine is indeed aluminum but if the lower half has been painted, that was done by someone else. Some of the lower covers are more polished than the main engine itself but there should be no painted surfaces. There may or may not be some round decals on the engine sides. The engine is made of fairly soft aluminum so go easy with the scrubbing or wire brushes. I use a used toothbrush to get into those hard to clean and reach areas and have had no problems.

Jim W
93 VN 750 "Ursula"
Moved R/R 08Sep06
R/R rewire 17Feb07
New R/R, Installed 14Jun08
New Stator installed 10 Jun08
Maintenance Free Battery 12Jan08
21480 Miles
VROC #8542
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post #3 of 16 (permalink) Old 10-22-2006, 06:02 PM
 
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hey you could always get it powder coated, I saw a powdercoating display today and it looked very impressive
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post #4 of 16 (permalink) Old 10-22-2006, 07:44 PM
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Well, Mine is a 1996 and the lowers are for sure painted silver. I may look underneath and remove the paint if it is aluminum. I usually polish what I can with semichrome ( a lot of elbow grease), shines like chrome.

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post #5 of 16 (permalink) Old 10-22-2006, 07:49 PM
 
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My lower case appears to be painted silver and the side covers polished.
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post #6 of 16 (permalink) Old 10-22-2006, 08:20 PM
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All the 750 engine lowers are painted silver (by the factory), except for the black engines. They are painted that way so they won't oxidize over time. Just wash with whatever you use to wash your car. Dawn dishwashing liquid is an excellent wash, especially if you are trying to remove old coats of wax. You can wax the lowers, by the way. Just not the heads.

For the rest of the bushed aluminum parts, try Mother's aluminum polish. I have found it to be an excellent product for both aluminum and chrome. You don't need to polish hard to get a chrome-like finish.

2000 A16
Drilled baffles
$65 leather saddle bags
Kuryaken grips
relocated R/R
de-badged
25,000+ original owner miles

Last edited by cegodsey; 10-22-2006 at 08:23 PM.
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post #7 of 16 (permalink) Old 10-22-2006, 09:32 PM Thread Starter
 
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Thanks for the help, I'll probably try a good engine degreaser to begin with, and i suppose i'll break out the old toothbrush and start scrubbing...oh well..no quick fix this time... , I did use some mother's polish on the round plate and it helped out. Next wash I'll give it another try.
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post #8 of 16 (permalink) Old 10-22-2006, 10:20 PM
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I guess mine has had the paint removed from the lowers as there is no paint on my engine. Sorry for the bad gouge.

Jim W
93 VN 750 "Ursula"
Moved R/R 08Sep06
R/R rewire 17Feb07
New R/R, Installed 14Jun08
New Stator installed 10 Jun08
Maintenance Free Battery 12Jan08
21480 Miles
VROC #8542
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post #9 of 16 (permalink) Old 10-22-2006, 10:45 PM
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I think the round plates - stator cover and the other side - originally have 8 VALVE SOHC etched on them. At least until the first time you polish them. Oops!

2000 A16
Drilled baffles
$65 leather saddle bags
Kuryaken grips
relocated R/R
de-badged
25,000+ original owner miles
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post #10 of 16 (permalink) Old 10-22-2006, 10:57 PM
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Quote:
Originally Posted by TrashLord
hey you could always get it powder coated, I saw a powdercoating display today and it looked very impressive
just make sure you have the engine sanded smooth first... it will make it look alot better. I plan to sand it smooth up to 1200 grit... then gonna use jewlers rouge to finish it till its smooth and shiny like chrome... then i will have it powder coated in clear powder coat. will take me about 20 hours ( i will do the sanding myself) and 300-500 bucks for the powder coat. i think the engine would look loads better this way... next up is paint

'04 Vn750
Currently Installed
nat'l cycle deflector shield
westco 12v30 MF, 30A/h w/ 350 CCA's w/ custom box
TOC stator cover w/ Frankenstator mod!
R/R relo

Soon to have (own or on order)
TOC ACCT's
Mez's 110-FRT 170/80-Rear
Custom rear fender and tail light
Givi hard bags w/ custom rear turn signals


Band Engineer/Webmaster for Josey Contreras Tejano Band
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