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Newbie to British bikes with a few questions
#769674 03/31/19 1:52 am
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https://drive.google.com/file/d/1RkqeE3t229fBNSwz81YAHKBKNKuotmMO/view?usp=drivesdk https://drive.google.com/file/d/1NkSCTbcb1Dot-JZbGzSMGrhX20JzWNmE/view?usp=drivesdk https://drive.google.com/file/d/1cI7saQPipovU5wWAG3oPAL_CXgKuEsvT/view?usp=drivesdk
https://drive.google.com/file/d/1BwIDpYNnOytqrVbeb7ogHvSvqMdD7D2Q/view?usp=drivesdk

Hey Guys, I traded a furnace for a 1968 BSA A50 Royal Star. The bike is in great shape. Not sure if the pics worked, not sure if I did it right.

I have read the Hayne's manual cover to cover and if this was a North American bike I could muddle through my questions, but these ones I didn't want to take a chance on. The guy I got the bike from tinkers on all kinds of bikes. He has had the bike for 20 odd years and I am only the 4th owner. I started going through the bike and realize the dipstick on the transmission side is gone and I have no way of knowing how much oil is in it. Haynes manual say to use the plug under neath but only too 1967. My flat screw driver is 5 1/2" long and showed no signs of oil when I dipped it. What the best way to know how much tyranny oil is in the bike?

My second question involves the steering and tank. The handle bar mount just graze the chrome trim and the handle bars hit the tank. I'll have to fix the tank but how can I tell if someone changed the fork and used the wrong set or is there another reason? I can usually work through these problems but I am not risking this bike.
I love this bike already so any help would be greatly appreciated. Any other things I should check before going for a ride.

Last edited by Mr Kym; 03/31/19 1:25 pm. Reason: tried to fix pics
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Re: Newbie to British bikes with a few questions
Mr Kym #769679 03/31/19 3:11 am
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You looked and it does not have the little standpipe in the drain plug? The dipsticks are available, I've seen em for sale. Until you can get one I'd think one of the manuals would have gearbox capacity and you can just drain and ad that amount. I can look at my books later. Or measure a dipstick if you can wait.

Maybe has incorrect bars on it? You may be able to coax the tank rearward.

Re: Newbie to British bikes with a few questions
Mr Kym #769682 03/31/19 3:36 am
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I wouldn't have thought that a change of forks would cause that problem...possibly if the bike had been damaged in the front and bent steering head or yoke/triple tree.

Or tank mounts as Leon suggests. Is the tank sitting too high?


Last edited by Ginge; 03/31/19 3:36 am.

'51 C11 in a '54 C10L frame. Back on the road...
'70 Triumph Trophy 500. Next on the bench for a refresh!
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Re: Newbie to British bikes with a few questions
leon bee #769683 03/31/19 4:35 am
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@leon bee Thanks for the repky. No there isn't a sandpiper on my bike. The Hayne's manual shows what looks like a double bolted tap. The large bolt for draining the oil and inside that one a second smaller bolt to check the oil level Mine only has a single bolt. I was thinking about draining and refilling but I don't want to do the everything I wanna check the tyranny oil.

Re: Newbie to British bikes with a few questions
Ginge #769684 03/31/19 4:39 am
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@Ginge I removed the tank to check and it is sitting on the top of the frame properly. They must be the right forks as all the lights, steering stops and key lock for the steering are in perfect alignment. I want to paint the tank and fenders but not doing anything until I fix this.

Re: Newbie to British bikes with a few questions
Mr Kym #769685 03/31/19 5:11 am
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As general information, those gearboxes really seem to attract moisture and need changed at least every couple years.

Re: Newbie to British bikes with a few questions
Mr Kym #769686 03/31/19 5:20 am
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I would think the tank is not sitting low enough. There are several different rubber bumpers of different sizes to cushion the tank to the frame and you may have to adjust those.


Bill B...


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Re: Newbie to British bikes with a few questions
Mr Kym #769698 03/31/19 1:31 pm
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Its a good thing I am going through the bike. No oil no tranny fluid and half the bolts are hand tight.
Question. How much space should there be between the tank and the top frame bar? Still trying to work out why handle bars are hitting the tank. The fuel stopcocks are sitting level to the ground so I assume the tank is in the right position. Can anyone give me the clearamce between their bars and the tank?

Re: Newbie to British bikes with a few questions
Boomer #769708 03/31/19 3:50 pm
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Originally Posted by Boomer
I would think the tank is not sitting low enough. There are several different rubber bumpers of different sizes to cushion the tank to the frame and you may have to adjust those.


Bill B...


As Bill stated, I'd check the rubber buffers under the tank. HTH.

Attached Files 1968 A65 Gas Tank_1.jpg

Just a few Beezers..

Re: Newbie to British bikes with a few questions
Mr Kym #769711 03/31/19 4:10 pm
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YOU MAY HAVE THE WRONG SPACERS BETWEEN THE FRAME AND THE TANK CAUSING TE TANK TOO SET UP TOO HIGH. ORF YOU DO NOT PLACERS POSITIOND PROPERLY HE FRONT OF THE TANK WILL BE TOO HIGH. IF THE FRONT SPACER IS TO FAR TO THE FRONT THE TANK IT WILL RAISE THE FRONT OF TANK UP. CONVERSLY IF THE REAR SPACER IS SITTING TOO CLOSE TO THE CENTER MOUNTING BOLD IT WILL RAISE THE FRONT OF THE TANK. IF YOU MOVE IT REAR WARD IT LOWERS THE FRONT OF THE TANK.


I APOLOGIZE FOR THE USE OF CAPS. I CAN ONLY TYPE WITH MY RIGHT HAND SO USING THE SHIFT KEY IS BEYOND MY CAPABILITES.

The Devil is in the details.

1957 BSA A10 Spitfire Scrambler (numbers matching, very correct, very nice condition)
1965 BSA A65 Lightning Rocket "Clubman" (restored)
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1967 BSA A65 West Coast Hornet (under restoration)
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Re: Newbie to British bikes with a few questions
Mr Kym #769719 03/31/19 5:38 pm
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Drain the engine sump while you're down there.

Re: Newbie to British bikes with a few questions
leon bee #769789 04/01/19 6:11 am
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Originally Posted by leon bee
As general information, those gearboxes really seem to attract moisture and need changed at least every couple years.

More like every time it rains if you have the cap with the vent hole in it.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V "Wotan"
Re: Newbie to British bikes with a few questions
Mr Kym #769910 04/02/19 3:52 pm
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You can buy a new dipstick from Draganfly Motorcycles, UK. Are the steering lock stops broken?

Last edited by stanoneandonly; 04/02/19 6:13 pm.
Re: Newbie to British bikes with a few questions
Mr Kym #769930 04/02/19 6:25 pm
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Keep in mind that there are two different cases, some with only a filler cap at the top, others with the original filler cap filled in but a dipstick in the inside trans cover. Do you try to put a dipstick in the original filler hole.

[Linked Image]

Interestingly, the 1967 A65 parts book shows the case with the original filler hole *and* the dipstick in the cover. I don't think both were ever used together.


Re: Newbie to British bikes with a few questions
Mr Kym #769963 04/02/19 11:17 pm
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On both of my A65s, which I know to be correct, with the correct bumpers under the tank, the handlebar mount hits the chrome trim in the center of the tank at full turn. However, the handlebar itself has never hit the tank, and I've had: 1. Stock US-market BSA bar, 2. Stock "home-market" BSA bar, and 3. Late '60s Triumph twin US-market bar (my favorite). Is the bar on your bike factory or aftermarket?

One thing you can try, the holes in the bottom bracket are slotted, so loosen the bracket screws and loosen the top center nut, then pull the tank back as far as it will go, and re-tighten.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: Newbie to British bikes with a few questions
Mr Kym #769966 04/02/19 11:30 pm
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I wouldn't be too concerned about being able to easily check the gearbox oil level. Once the box is filled to capacity, if you don't see a drip on the floor (and it's distinguishable from engine oil by a very sulfur-y smell), then the level is not dropping. As was discussed above, the gearbox oil should be changed once or twice a year in order to avoid water contamination; you should not have to check the level between changes unless there's a leak.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: Newbie to British bikes with a few questions
Mr Kym #769968 04/02/19 11:32 pm
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You could lift the top yoke, undo the bottom yoke pinch bolts, undo the top yoke centre pinch bolt, knock the fork legs up through the bottom yoke until the top yoke is at the top section of the steering stem adjuster, you might gain a quarter inch or so,. The fork legs may be very tight in the bottom yoke even with the pinch bolts slack you may need to put a wedge in the splits to get them to move.

Perhaps this and subtle adjustment of the tank rubbers will leave some air between the parts.
Check your steering head adjustment, then re tighten all 3 pinch bolts.


71 Devimead, John Hill, John Holmes A65 750
56 Norbsa 68 Longstroke A65
Cagiva Raptor 650
MZ TS 250
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Re: Newbie to British bikes with a few questions
gavin eisler #769969 04/02/19 11:43 pm
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Originally Posted by gavin eisler
You could lift the top yoke, undo the bottom yoke pinch bolts, undo the top yoke centre pinch bolt, knock the fork legs up through the bottom yoke until the top yoke is at the top section of the steering stem adjuster, you might gain a quarter inch or so,.


Gavin, I don't think you could change the height of the top yoke and still maintain correct clearance on the steering head bearings, unless you put a spacer between the yoke and the top bearing cone.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: Newbie to British bikes with a few questions
stanoneandonly #769990 04/03/19 2:17 am
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@stanoneandonly Thanks for the info on a supplier. I also need a set of low riser handle bars and a couple of new cable. If I am shipping one thing might as well order it all from the same place. Or is there as good a supplier here in North America?

Re: Newbie to British bikes with a few questions
DavidP #769994 04/03/19 2:25 am
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@leon bee and DavidP. Are you speaking of changing the oil often because the gearbox attracts moisture? If so will it turn frothy like when I get water in the bottom end of my outboard?

Added after post.
With my Vstrom and Honda's I always use detergent free oil, will this bike need the same? The gentleman gave me 20W 50 motor oil and SAE 50 gear only for the clutch and tranny.

Last edited by Mr Kym; 04/03/19 3:30 am.
Re: Newbie to British bikes with a few questions
MarcB #769996 04/03/19 2:37 am
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@MarcB Ok I am confused. The gentleman I got this bike from said the gear box, which sits at my left shin get motor oil, the centre piece is lubricated by the oil tank under my right cheek and filler hole on the right of the bike and is supposed to have the standpipe to check the oil level is tranny fluid. He didn't mix something up I hope, because I changed all the fluids based on his info?

Last edited by Mr Kym; 04/03/19 2:38 am. Reason: Fixed spelling
Re: Newbie to British bikes with a few questions
Mr Kym #769999 04/03/19 3:14 am
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OK so I have another question and this one seems serious. I have a ducon switch to high/low the head light and it has the horn button but I can't find a kill switchanywhere. Was there a kill switch from the factory or do I have to wire one in? If I have to wire my own in, where is the best place to do it?

Re: Newbie to British bikes with a few questions
Mr Kym #770010 04/03/19 5:44 am
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Originally Posted by Mr Kym
@MarcB Ok I am confused. The gentleman I got this bike from said the gear box, which sits at my left shin get motor oil, the centre piece is lubricated by the oil tank under my right cheek and filler hole on the right of the bike and is supposed to have the standpipe to check the oil level is tranny fluid. He didn't mix something up I hope, because I changed all the fluids based on his info?

The "gear box" on the left is the primary drive, including the clutch. This case normally gets light engine oil, 30 weight. Some folks put ATF in there.
The oil tank gets 20-50 engine oil.
The filler atop the case to your right is the gear box. It gets gear oil.

BTW: Most folks on this site don't use left and right to describe the position on the bike. You will see the terms Drive Side or DS for left and Timing Side or TS for right, as viewed when sitting on the bike.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V "Wotan"
Re: Newbie to British bikes with a few questions
Mr Kym #770011 04/03/19 6:09 am
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No kill switch you turn the ignition switch off.
And this a a forum, not Twatter so you can drop the @


Bike Beesa
Trevor
Re: Newbie to British bikes with a few questions
Mr Kym #770023 04/03/19 10:23 am
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You need the correct workshop manual. For a bike with such a mix of bits the haynes manual might be very useful.
In future refer to the bike an A65 single carb.
That is what the motor fitted is.
The A50 shared the same cycle parts.

An A65L, should have a two carb head, otherwise it is identical internally to a A65 T.
You need a workshop manual. read it , absorb the lingo, ask questions here that it cant answer.


71 Devimead, John Hill, John Holmes A65 750
56 Norbsa 68 Longstroke A65
Cagiva Raptor 650
MZ TS 250
The poster formerly known as Pod
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