APE Engine

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30 Jun 2013 03:08 #594419 by roy-b-boy-b
APE Engine was created by roy-b-boy-b
I was out checking on a engine today trying to sort it out. I believe it was a 1470 APE cylinders, worked over head, Mikuni flat slides, and a set of web cams that I can't identify.

The markings were, Web 796 With a 1.080 base circle below that was 805.

Any help please !!! Thank you.

Here is the bike if the pic will up load. It sounds wicked.

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1979 LTD Street Fighter.1977 KZ1000
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30 Jun 2013 08:48 - 30 Jun 2013 08:58 #594432 by crh
Replied by crh on topic APE Engine
Nice bike Roy :)

The cams are a custom grind. 1.085" base circle tells me they're a hot street / mild race grind. If you call or email them, they'll be able to give you the lift & duration. They make a lot of cams that are not listed on their site.
Last edit: 30 Jun 2013 08:58 by crh.

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30 Jun 2013 09:23 #594437 by Old Man Rock
Replied by Old Man Rock on topic APE Engine
Granted I'm not into the bobber theme but this is a clean build just the same. The builder obviously thought it out, put some $$$ into it and seems to have at least done it right.... Well done!

Roy, you know the builder, you buying this bike...?

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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30 Jun 2013 10:15 #594447 by Powerstroke_fan
Replied by Powerstroke_fan on topic APE Engine
it appears to be a mk11 motor. Atleast the stator cover and valve cover are mk11 covers.

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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30 Jun 2013 13:25 - 30 Jun 2013 13:27 #594467 by roy-b-boy-b
Replied by roy-b-boy-b on topic APE Engine
Thanks CRH. It is a cam under bucket but the head is not relieved as much as the 900 dirt drag engine. The bad part is you have to pull the engine to remove the cam covers.

The engine came out of a 79 LTD .

The bike was built to show. It was from Wisconsin I think. It was a bank repo. I have never see a cleaner built bike. The welds are so smooth and blended in that it is amazing.

The bike was bought by a friend of mines Son. He got the bike for less than 10 grand.

I had seen the bike in a shop where I had gone to work on another Kawasaki. They had attempted to get it running good but the owner came and got it and took it to the store where they bought it. They had a fuel pump installed which didn't help any.

I thought the bike was just built for looks being the main goal and not performance. I took some clear fuel line with me and remover the fuel pump after starting the bike and watching the fuel pump out the carbs.

I rerouted the fuel lines like the builder had them over the top of the engine after insulating the fuel line.

It had a Dyna 200 and 2.2 coils. The timing was not set and we set it to a basic timing. and the bike will fire off like a stock bike.

The pistons are low compression.

Did I mention the engine has to be removed to adjust the shim under bucket set up ? :blink:

1979 LTD Street Fighter.1977 KZ1000
Last edit: 30 Jun 2013 13:27 by roy-b-boy-b.

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30 Jun 2013 13:37 #594471 by Patton
Replied by Patton on topic APE Engine

roy-b-boy-b wrote: ...The bad part is you have to pull the engine to remove the cam covers....

That's certainly a most undesirable situation. :pinch:

What modification is preventing normal removal of the cam cover?

Does the lack of clearance result from a frame modification?

What is the cam cover hitting against to prevent sufficient clearance for its removal?

Good Fortune! :)

1973 Z1
KZ900 LTD

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30 Jun 2013 14:49 #594478 by roy-b-boy-b
Replied by roy-b-boy-b on topic APE Engine
Patton, The backbone has 1/2 of clearance from the cam cover. If the oil pan were removed and the motor mounts were removed the engine would slide right out.

The owner needs a throttle cable right now. They are custom built controls that look like they are for a Harley based bike being that they are one inch. The only markings I found on the controls are a J.

1979 LTD Street Fighter.1977 KZ1000

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30 Jun 2013 15:41 #594487 by bluezbike
Replied by bluezbike on topic APE Engine
That bike sure does look good, as said a lot of thought and energy went into it. One thing I would worry about is with the obvious power this thing has that hanging on to it will be a serious consideration. Looks like one slip of the clutch and it's out from under you....between the forward controls and that seat with no backstop nothing but the bars to keep you on it. Apart from that it's :evil: :evil: :evil:

79 KZ 1000 LTD
77 KZ 1000 B1 LTD (awaiting electrical resurrection)

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30 Jun 2013 17:55 #594505 by DesertKZ
Replied by DesertKZ on topic APE Engine
Wow that thing is sexy :ohmy:

1979 KZ1000 Shaft
1979 CX500C
1975 GT750 Smoker

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30 Jun 2013 18:22 #594508 by etbike3135
Replied by etbike3135 on topic APE Engine
That bike was for sale for nearly a year here in Milwaukee. I thought the guy had it listed as running?

1973 Kawasaki Z1
18 years in dragbikes

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30 Jun 2013 19:08 #594511 by GregZ
Replied by GregZ on topic APE Engine
good lookin bike but,,,,,bought it for under 10K wow
brings the old saying in mind a fool and his money soon parted

Tell him can have this for 10k

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30 Jun 2013 23:18 #594534 by roy-b-boy-b
Replied by roy-b-boy-b on topic APE Engine
The bike does run. It just wasn't tuned right and had too many mechanics working on it. None of them took the trouble to check the jetting , timing or the plug wires which I had found were installed wrong.

The owner told me the bike would not hook up period. In any gear. He is undecided about what to do about the bike. There is a lot of money in the engine so I told him to drop it into a KZ frame and sell the frame. I know a guy that has a few frames. ;)

1979 LTD Street Fighter.1977 KZ1000

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