Overheating help

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09 Jun 2009 16:54 #297776 by Old Man Rock
Replied by Old Man Rock on topic Overheating help
I believe those are barbed 3/8" nipples which is common for oil lines. Not sure about your bike but my KZ900 spec is only 2.8lbs of pressure so clamping for a tight seal shouldn't be an issue.

Same time, it's a threaded block so you can always replace with what ever line connector you choose...

OMR

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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09 Jun 2009 17:05 #297786 by Silver Tiger
Replied by Silver Tiger on topic Overheating help
thxs again, im gonna email holly's to see if i can find out what mounting bracket they use in this picture from pmc's website

Bikes Owned
1972 Rickman 250 Montesa
1974 Z1 - Kz1000 Jug 1045cc 10.25:1,Port and polished,Oversized valves,Underbucket shims,36mm Mikuni RS Flatslides,Dyna 2000 and 2.2ohm coils, Webcams 435 @ 288° duration,Taylor wires,NGK iridium plugs
1977 KZ650c
1979 KZ650SR
1981 XV750 Virago
1994 XT2
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09 Jun 2009 17:06 #297787 by Silver Tiger
Replied by Silver Tiger on topic Overheating help
i see from this pic to mount in the holes right under steering stop

Bikes Owned
1972 Rickman 250 Montesa
1974 Z1 - Kz1000 Jug 1045cc 10.25:1,Port and polished,Oversized valves,Underbucket shims,36mm Mikuni RS Flatslides,Dyna 2000 and 2.2ohm coils, Webcams 435 @ 288° duration,Taylor wires,NGK iridium plugs
1977 KZ650c
1979 KZ650SR
1981 XV750 Virago
1994 XT2
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09 Jun 2009 17:13 #297789 by Old Man Rock
Replied by Old Man Rock on topic Overheating help
ewwwwwww... Like those motor couplers... Definitely, let us know what you find about them and $$$..

Is this a kit for the KZ900/1000...

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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09 Jun 2009 17:17 #297790 by MFolks
Replied by MFolks on topic Overheating help
Keep in mind about the braided SS lines, be they brake or oil lines. The line will act like a slow speed file and cut/wear through electrical cables, fuel lines, brake lines and paint.It will be good idea to get some spiral wrap insulation and cover where lines will rub together.

Radio Shack carries a small selection and I believe Mouser and Allied have a large selection.

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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09 Jun 2009 17:25 #297794 by Silver Tiger
Replied by Silver Tiger on topic Overheating help
yes they are for the kz 1000 and 900 heres the link again check out all the interesting upgrades that u can obtain if u give the part num to z1 enterprises thell give u a price and order it. go to the 70's for z's section on the page. these parts are from japan totally unique to that site and japan.

www.excite-webtl.jp/world/english/web/?w...&wb_lp=JAEN&wb_dis=2 :P

Its where i got my electronic tach that looks like a stock z1 tach should look like a tach up until 81 i think they have a white face model too hold on ill take a pic because that last page where the tach is on there website is down at the moment.

Bikes Owned
1972 Rickman 250 Montesa
1974 Z1 - Kz1000 Jug 1045cc 10.25:1,Port and polished,Oversized valves,Underbucket shims,36mm Mikuni RS Flatslides,Dyna 2000 and 2.2ohm coils, Webcams 435 @ 288° duration,Taylor wires,NGK iridium plugs
1977 KZ650c
1979 KZ650SR
1981 XV750 Virago
1994 XT2

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09 Jun 2009 17:37 #297798 by Silver Tiger
Replied by Silver Tiger on topic Overheating help
heres a pic of that tach u can get a matching speedo too

Bikes Owned
1972 Rickman 250 Montesa
1974 Z1 - Kz1000 Jug 1045cc 10.25:1,Port and polished,Oversized valves,Underbucket shims,36mm Mikuni RS Flatslides,Dyna 2000 and 2.2ohm coils, Webcams 435 @ 288° duration,Taylor wires,NGK iridium plugs
1977 KZ650c
1979 KZ650SR
1981 XV750 Virago
1994 XT2
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09 Jun 2009 18:08 #297809 by Silver Tiger
Replied by Silver Tiger on topic Overheating help
i keep text'n up a storm :lol: here's a more direct link to the oil coolers page

Bikes Owned
1972 Rickman 250 Montesa
1974 Z1 - Kz1000 Jug 1045cc 10.25:1,Port and polished,Oversized valves,Underbucket shims,36mm Mikuni RS Flatslides,Dyna 2000 and 2.2ohm coils, Webcams 435 @ 288° duration,Taylor wires,NGK iridium plugs
1977 KZ650c
1979 KZ650SR
1981 XV750 Virago
1994 XT2

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09 Jun 2009 18:39 #297821 by keith1
Replied by keith1 on topic Overheating help
Silver Tiger wrote:

I know there are other posts on overheating and oil coolers but i wanted to try to get a more specific answer.

I have a 1974 z1 it has a kz1000 jug 1045 10.25:1, port and polished,over sized valves,36mm mikuni flatslides,dyna 2000 and coils, largest hotstreet web cams sold,taylor wires,ngk iridium plugs standard heat range. completely rebuilt last year

basically i don't know what temperature a kz1000 a should run at. my heat gun reads about 295 to 305 on the head and 240 on the jug, it warms up quickly and stays constant. i tested a friends kz1000 with similar modification and it was running around that as well. ive had my bike dyno'd (if any one wants to read the chart i could post) it is a little rich in bottom end and dead on in the top end, the bike isnt running lean, but after i ride it around for about a hour or so it starts getting hard to shift between gears and doesnt like to idle and the engine feels pretty hot the heat gun still only says around 300. im running 10w40 amsoil in it right now and going to switch to 20w 50 next oil change.
I don't have a oil cooler and id like to install one, but i still don't know what size to put on it and how to run the oil channels. also i know a z1's oil pressure is only like 10 psi so would that be a problem with a oil cooler? ive tested my oil pressure i get about 12 to 15psi around 4000 rpm.
sorry if my text is confusing and thxs for any replys



just as a reference, my bike runs at 200 after 45 mins of stop and go and cruising mix with slight goodies...i think the 10.5 to 1 is the heat maker...i m running an old school cooler that i think was a popular one back in the day...i saw a new one in the box a ways back on ebay and looking back, i should have grabbed it......i run a temp guage and a pressure guage just to keep tabs.......keith

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09 Jun 2009 18:41 - 09 Jun 2009 18:42 #297824 by keith1
Replied by keith1 on topic Overheating help
old school cooler..still have the same cooler...old b4 rebuild pic....
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Last edit: 09 Jun 2009 18:42 by keith1.

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09 Jun 2009 20:19 #297880 by Silver Tiger
Replied by Silver Tiger on topic Overheating help
are you going by oil temp or head temp?

Bikes Owned
1972 Rickman 250 Montesa
1974 Z1 - Kz1000 Jug 1045cc 10.25:1,Port and polished,Oversized valves,Underbucket shims,36mm Mikuni RS Flatslides,Dyna 2000 and 2.2ohm coils, Webcams 435 @ 288° duration,Taylor wires,NGK iridium plugs
1977 KZ650c
1979 KZ650SR
1981 XV750 Virago
1994 XT2

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09 Jun 2009 20:53 #297903 by sabell
Replied by sabell on topic Overheating help
Not sure if he still does, but oldkawman used to sell a cooler kit for around $250

'78 KZ1000A2
'79 650SR

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