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Messages - tarmac
1
« on: August 12, 2016, 10:59:51 AM »
Cheap >> http://www.ebay.co.uk/itm/CB550-K-1974-78-Tappet-Cover-New-/140948070141
2 covers arrived today trigger and very happy with them,........used one to replaced the broken one and the other to replace a hammered off one by previous owner,........[might just buy another one or two?]......but first got to have a look and find out why the bike went onto cylinders 2 and 3 and nothing from 1 and 4,??. will have to leave that till I come back from a weeks holiday cheers terry
2
« on: August 10, 2016, 08:21:41 PM »
just ordered 2 Trigger,much appreciated,terry
3
« on: August 10, 2016, 07:57:37 PM »
thanks for that Hairygit,will get one ordered.
cheers terry
4
« on: August 10, 2016, 07:37:48 PM »
I have managed to break one of the screw in valve covers on my sohc 750 f2,....there is one on ebay but it's from a cb550,..........are these the same as the f2.
cheers Terry
5
« on: August 03, 2016, 05:53:22 PM »
using that information you have just given Bryanj I have just measured the hole size and valve size and they are as follows.... 8.3 mm hole and 7.5mm valve,
cheers Terry
6
« on: August 03, 2016, 09:30:15 AM »
just checked the rim for numbers,....the numbers are D.I,D JAPAN 2.15 X 18 and J18X2.15 117 DOT at another location.
so it's tube only then.
thanks again for the information,..Terry
7
« on: August 02, 2016, 07:00:37 PM »
how do I do that Roy,.....where can I get a suitable tubeless valve to fit.
8
« on: August 02, 2016, 01:52:51 PM »
thanks for that quick reply Stevush just as I thought but wanted to make sure before I go ahead ,..much appreciated,.Terry
9
« on: August 02, 2016, 01:38:27 PM »
do comstar wheels need a rim tape or band fitted......I have just removed the old tyre from my 1979 750 f2 ready to fit a new one and didn't find any rim tape there........should there be ?.....am I wrong in thinking that they are just for spoked wheels and are not required.
cheers Terry
10
« on: April 09, 2014, 11:19:57 AM »
damn!!,..I thought a change of plug caps would have solved your problems,but i hold my hands up and admit I got it wrong.
it looks like it's back to the drawing board then???
tarmac
11
« on: April 07, 2014, 06:23:09 PM »
those 2 centre plug caps would certainly give you the problems you mentioned,....those were the 2 culprits
that gave me grieve,...in fact I am looking at them now,....one has 2 cracks at the top under the rubber hat and is burned black,and both have corrosion on the screw connecters,...
regards ,,terry
12
« on: April 06, 2014, 06:19:09 PM »
Steph,..after checking the plug caps and leads for sparking and you find that all is well in that department,
why not do as Jamesh suggests and do a impedence test,....I have just done mine and it took less than 5 minutes and the results are.
---Plug caps=5.2 kohms..
---coils with plug caps off=14.1kohms.
please note the coils are old ones but the caps are new.
another point to mention but you probably already know,...connect your meter to the plug leads to 1 and 4 cylinders,and then to 2 and 3 cylinders.
hope this helps,....cheers terry
13
« on: April 06, 2014, 09:18:27 AM »
+2 on that. Worth pulling the plug caps and putting a multi-meter across the plug caps individually and across the pair of ht leads from each coil to check the impedence. Should be 5kohm caps and 15 on the coils
thank you for that usefull information james, I can make good use of that. cheers,.. terry
14
« on: April 05, 2014, 12:39:01 PM »
Quote Steph,..(Has anyone experienced anything like this)?
"yes I have, on my cb750 f2" but it was related to the spark plug cabs which were shorting out badly and was only spotted
by my son after numerous wild goose chases,....definitely worth a look for sparking in that area.
hope this helps,.terry
should add that 4 new plug caps fixed the problem and bike now runs superbly
15
« on: March 31, 2014, 12:19:11 PM »
I bitsa,..just had a look in the workshop manual for the f model and k model and got some information for you.
it may be a bit late in the post but better late than never ??.
f model dry weight--232.5 kg.......k model dry weight---231 kg
f model seat height--830 mm------k model---810 mm.
engine dry weight for both models =89 kg
f model ground clearance -----135 mm----- k model--150 mm
overall height for both models =1.185 mm (46.7"
hope this helps......regards,. terry
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