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Polished engine

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16 May 2013 16:15 #587775 by Cajun
Polished engine was created by Cajun
I decided to clean up the engine a bit as it was really tarnished. Anyone do this to their bike? I just started. Wondering how well it will turn out. When Takes a bit of patience.

Original

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After

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1978 KZ650 D1
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16 May 2013 17:16 #587785 by 650ed
Replied by 650ed on topic Polished engine
The really good news is that once you finish polishing it you will find it is VERY easy to keep it looking good. Your patience and work will be rewarded. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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16 May 2013 19:44 #587801 by bluej58
Replied by bluej58 on topic Polished engine
Looking good, but that's the easy section :lol:

Like Ed said once your done keeping it up is a piece of cake.

78 KZ1000 A2A

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16 May 2013 23:25 #587822 by Cajun
Replied by Cajun on topic Polished engine
Agreed it was the easy part, but I figured it was better to start with the easy part just incase I was doing it wrong. I made quite a bit of progress tonight in between demands to clean this and move that... Women... I will be riding it tomorrow to work for the first time, then coming home and polishing it up.

1978 KZ650 D1

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17 May 2013 08:48 #587869 by getarun
Replied by getarun on topic Polished engine
Is it chemistry or muscle power (a fine grained sand-paper maybe?)?

Driving a KZ550B '83

IC-ignitor problems

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17 May 2013 09:01 #587872 by Old Man Rock
Replied by Old Man Rock on topic Polished engine
Your doing just fine... ;)
Keep at it for as already mentioned, it will be worth the hard effort & work in the end...

If my old retarded ass can do it so can you...



1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az
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17 May 2013 11:06 #587894 by Cajun
Replied by Cajun on topic Polished engine
You did one hell of a job on that engine!

Also I am using both muscle power, machine power and chemistry.

i am:
Using a drill with a 120 grain or so scotch bright type wheel and going all over each piece in little circles until I feel it is evenly smoothed out, although this does leave quite a bit of small scuff lines.

Then going back over it by hand with 1000 grain wet dry sand paper for quite a while with a little soapy water.

Then using blue magic polish and a dremmel with a cloth bit to work in the polish, and a felt tip to buff it down afterwards.

If anyone has a better solution I am all open for suggestions.

1978 KZ650 D1

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17 May 2013 14:50 #587943 by Sherman47
Replied by Sherman47 on topic Polished engine
I just did my engine covers, float bowls, carb diaphragm caps, footpeg brackets, forks, triple tree, and darn near every bolt on the bike. I heard that on aluminum you are better off to put down a clear coat when finished to keep it in shape. What is the experience here? Wonder if I coulda got away with a couple coats of wax. It doesn't sparkle quite the same with the clear coat over it.

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17 May 2013 14:59 #587945 by 650mod
Replied by 650mod on topic Polished engine
You might find that doing an 800 dry to start is better. 120 is pretty gritty for aluminum. I'm doing mine right now, and I find that an 800 dry to start, 1000 wet next, 2000 wet, lastly a 3000 wet followed by polish works the best. Mirror shine. I know it adds more to the process, but it'll increase the end look.

Also- might want to look into Gord's Aluminum Polish. It's a cleaner/polish/sealer all in one. I used it on my swingarm, and it hasn't oxidized at all in over 2 months. Not bad in my books.

78 kz 650 custom
Wiseco 720cc big bore
Dynajet stage 3 carb kit with pods
2002 Kawasaki Z750 exhaust
2001 Buell lightning front end
1999 Ninja 600 swingarm with 1999 Ninja 900 rear rim
converted to monoshock rear
Too many goodies to list fully

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18 May 2013 01:42 #588016 by Cajun
Replied by Cajun on topic Polished engine
Hmm. I think I will try that tomorrow. Thanks. Not concerned with more work. Mostly concerned with end product. Id rather spend 30 hours doing an amazing job than 3 doing an okay one.

1978 KZ650 D1

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18 May 2013 08:01 #588029 by 650mod
Replied by 650mod on topic Polished engine
Depending on the current condition of your cases, you might have to start at a 400 grit or so to really take the staining out, then move up. What you can also do is get a polishing kit that runs off your drill with 3 polishing compounds, and go about it that way once you're over a 1000 grit. Speeds it up, and really smooths the aluminum out.

78 kz 650 custom
Wiseco 720cc big bore
Dynajet stage 3 carb kit with pods
2002 Kawasaki Z750 exhaust
2001 Buell lightning front end
1999 Ninja 600 swingarm with 1999 Ninja 900 rear rim
converted to monoshock rear
Too many goodies to list fully

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18 May 2013 08:56 #588034 by Powerstroke_fan
Replied by Powerstroke_fan on topic Polished engine
I think you are doing a pretty good job. I polished mine also. I started out with the scotch brite wheel and then wet sanded it with 800 grit and went up to 1500 or 2000 grit. Then went over it with white diamond metal polish on harbor freight buffing wheels on a drill and i bought a couple extra thin but big diameter to make it easier to get inside the fins. Then just buff the hell out of it. Then after that i got another buffing wheel. I dont mix the polishes in the buffs. I went over it again with mother alum polish. The white diamond is a ruffer grit so it wont get rid of all the scratch marks, but it will really bring out the mirror finish. Then the mothers will remove the rest of the scratch marks and really make it shine.

1980 kz1000B4 LTD- 1327cc 9-1 comp
Ported J model head
Psp-3x cams
RS 36s
Welded MK11 crank
Back-cut MK11 trans
MTC 2 stage lock up
Stretched 4-6 over running Hayabusa rear rim with 190 rear tire
Complete frame brace kit installed
And Much Much more- SOLD

2014- ZX14R all stock for now

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