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Messages - Spitfire

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1636
Misc / Open / Re: Southport Air Show.
« on: September 22, 2007, 10:44:22 AM »
Hi Dave,
           We normally go but are giving it a miss this year as we are saving up for a late holiday.

Cheers

Den

1637
CB750 / Progress 2, 30 mph speed limit sorted
« on: September 18, 2007, 07:06:38 PM »
Well the bike ran great on the Aintree run, except that I noticed that the wife (leading me in the car) was being very aggressive with the speed limits in Liverpool (loads of speed cameras) especially the 30 mph ones. A test run today at 30, 40, 50, 60 and 70 mph proved the Honda's speedo is 7 mph fast at all speeds. No wonder it didn't like 30 mph speed limits !
But it also showed me what a wimp I have become, struggling to hold on to 70-80 mph on the motorway ! But boy was it gusty.
The only problem I had was when I dropped Dean off at home I turned the bike off to have a ciggie, and when I turned it back on I had nothing, no electrics whatsoever, took the side panel off, I just touched the fuse box cover and it all came back, so today I have taken the fuse box off and cleaned all the contacts, hope it cures it, it was OK on the test run.
Plus I have to keep putting petrol in the thing !

Cheers

Den

1638
CB750 / Re: Throttle won't shut down to below 2.5 thousand RPM?
« on: September 18, 2007, 06:57:54 PM »
Ok, what condition is the bike in, has it been sitting for a long time, has the problem suddenly appeared, has the bike been worked on recently ? Do you have a manual ?

Are the throttle cables in good condition, and sdjusted correctly, 3-4 mm at the adjuster ot the carbs end.
Are there any leaks on the carb rubbers between the carbs and the cylinder head, spraying WD40 on these will speed up the tickover if there are any leaks..
Try pressing down on the tops of the carbs.
Is the throttle action smooth indicating that the slides are OK.
Take the tank off and see if anything is mechanically stopping the carb slides dropping.
There is another adjuster on the carb linkage just below the "pull" cable this is eccentric and there should be a 2-3 mm gap present between it and the throttle lever, this could hold the slides open. (it's called Overcross stop adjustemnt on the manual) When your cables are adjusted properly by firmly closing the throttle from the tick over position it will slow the tickover.
Look at the slide stem on top of the carb you should only see about 1 - 2 mm of shiny stem.
What are the pilot air screw set on, screw them all the way in (to contact only, don't force them) then screw them out 1 1/4 turns

Cheers

Den

1639
Misc / Open / Re: Aintree on sunday .
« on: September 17, 2007, 09:41:27 AM »
Well the F1 survived, even though it got rained on, Dean (12 year old grandson) enjoyed his ride on the back though it was a bit  windy coming back on the motorway. We all had a great day despite the weather, it was great to put faces to people you swap posts with.
A few more photos.

Dave with 400/4

The crew

The four experts casting their eye on proceedings

And the two F1's snuggled up in the car park



1640
Site Feedback / FAQ / How to... / Re: Post Levels
« on: September 17, 2007, 09:33:35 AM »
Bike Polisher
Plug Changer
Top end overhauler
Total engine rebuilder

1641
CB750 / Re: Progress
« on: September 15, 2007, 06:52:36 PM »
OK I'll have to check this one out then, I have new Honda coils but will look at the Dyna.

Cheers

Den

1642
Misc / Open / Re: Aintree on sunday .
« on: September 15, 2007, 10:49:36 AM »
Hi Mick,
          Hopefully we will arrive at Aintree at about 11, neither I nor the boss are early morning people and we have the 2 grandsons in tow, will give you and Dave a ring when we arrive, don't know the place well enough to arrange a meeting place unless you or Dave know a prominent landmark.

Cheers

Den

1643
CB750 / Re: Progress
« on: September 15, 2007, 10:47:14 AM »
The only thing that stops me fitting a Dyna is the initial set up, I'm an old fashioned points man and the thought of setting it up puts me off.

Cheers

Den

1644
CB750 / Progress
« on: September 14, 2007, 07:49:44 PM »
Well by dodging the rain and family commitments I've put about 120 miles on the F1, still some teething troubles to sort out and some sorted already:
1. Left fork seal leaking, stripped and new seal and fork tube fitted.
2. Front brake MC overhauled again after accidently refilling it with fork oil, discovered this when I could not find the fork oil after job 1. just this big brown bottle of brake fluid (stupid boy) all brake lines flushed out. Will change out the caliper seal tomorrow.
3. Tacho drive seal changed, it's leaked for years and it's time was up !
4. Carbs synched but tickover still rough, suspect the pilot jet passages are semi plugged, overhauling a spare set of carbs just in case.
5. No.4 plug sooting up, plugs changed out but discovered they are the wrong plugs, DR8ES-L instead of D8EA, the R stands for resistor, thought the spark was a bit yellow/orange. The resistor is fitted so that it doesn't interfere with the bikes ECU or CDI ignition !
Will test ride tomorrow to see if this works, if not will check the float level (again), No3 is a bit sooty as well but not as bad as No. 4.
The other likely cause could be my too quiet BSM silencer, maybe a few holes might appear in it.
6. Ignition timing, had one hell of a job getting 2&3 lined up, looking closer the post on the points was bent, so they were replaced and all is well. The entire points plate was replaced during the rebuild, so I may have caught it with a spanner when I was turing the engine over.
Still to be addressed, front brake squeel, tickover, sticky (dragging) clutch and dodgy rider.

Cheers

Den

1645
CB500/550 / Re: My poor old neglected CB550
« on: September 11, 2007, 08:29:32 PM »
We need more old CB's on the road so get cracking, like the name, years ago when I was with the Wheelwrights MC club we started a rally called the Piston Broke Rally.

Cheers

Den

1646
Misc / Open / Re: Was it any of you lot?
« on: September 11, 2007, 08:27:26 PM »
Nope, mine's black, and I'm grounded at the moment with a front brake problem.

Cheers

Den

1647
Misc / Open / Re: Anyone out & about in the northwest.
« on: September 08, 2007, 07:35:22 PM »
That's a shame we are off there tomorrow, spent today at the New Brighton Promenade rally.

Cheers

Den

1648
Misc / Open / Re: Chromer in north west England ?
« on: September 05, 2007, 09:43:37 AM »
I've posted a lot of photos on Photobucket of the restoration stages but have tons more and tons more information on the F1,
http://s192.photobucket.com/albums/z244/DennisMcc/
Fitting the engine was accomplished by lowering the frame onto the engine to prevent the frame getting scratched, this is described on the other SOHC site:
http://www.sohc4.us/forums/index.php?topic=15321.0

Give me a shout if you need anything

Cheers

Den

1649
Misc / Open / Re: Chromer in north west England ?
« on: September 04, 2007, 07:28:24 PM »
Got all my stuff done at R&S Electrolating in Oldham, pretty fast turnaround and a good job, just remember that the quality depends on the condition of the parts you take in.

http://www.rschrome.co.uk/

Cheers

Den


1650
CB750 / Keeping to 30 mph speed limits
« on: September 02, 2007, 05:41:45 PM »
Hi guys,
           I know I need to synch my carbs but trying to keep the old F1 under the 30 speed limit is not easy, it likes passing through 30 as I accelerate and change gears but certainly does not like cruising there, I'm up and down the gears with my nose on the speedo.
I remember having the same problem in the olden days but there are so many more 30 limits now, anyone else have the same problem with their bike ?

Cheers

Den

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