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Triumph Cub 1960
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Digby
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May 15, 2017 - 12:44 pm
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Nice one! It worked well,I was in Cyprus for 2yrs in the early 70's and had a CB 160 Honda for travelling from Limassol to the Army base at Episkopi,the roads were pretty much empty then which was great for biking,I was back in Paphos last September and drove the route to Limassol and it's still a great biking road,unfortunately I was in a car 😂😂 wish we had your roads ( and weather) in the UK but we still manage to enjoy our bikes,keep the Cub videos coming especially when you have stopped the manifold blowing!

cheers Digby

1968 D14.1965 Honda CB160,1978 Honda 400/4 Supersport,Honda Innova.D10 silver ( JPS) 1976 Kawasaki KH 250 project.

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dimitris
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May 19, 2017 - 6:59 am
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Digby, Those roads are amazing for rides. If Shaun who is going there for some years, finally gets my D10, he will enjoy them every day...

Ok, here is another video, little better(camera on helmet)...but still have to sort the manifold issue, and i am afraid i will finally have take out the cylinder barrel after all..

Didn't want to mess with valves and pushrods...but i guess sooner or later i will...

 

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BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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Mags 1
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May 19, 2017 - 10:24 am
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Some lovely countryside and nice sound of the little Triumph there.

Trouble with four stroke bikes is twice as many working parts to wear out, that's partly why I like the simplicity of the two strokes.

Engine does pop and bang a bit, I wonder if you have a leak at cylinder where the exhaust downpipe goes in? You can buy oversize adaptors on Ebay to help overcome that.

Big end and mains sound ok, but there's so much other mechanical noise from other parts on a four stroke it's hard to say.

I'm sure my 1959 engines will sound like bags of old nails when I finally get them started!!!

Four now on the road and at least several in bits.

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dimitris
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May 19, 2017 - 12:45 pm
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Mags 1 said
Engine does pop and bang a bit, I wonder if you have a leak at cylinder where the exhaust downpipe goes in? You can buy oversize adaptors on Ebay to help overcome that.

Big end and mains sound ok, but there's so much other mechanical noise from other parts on a four stroke it's hard to say.

Really?? Didn't know that... i was in search of someone to customize one for me. It would be good if i can find one ready. I have to measure the dimensions and see what can i find...

For sure i have leaks, and extra noises from that... and i cannot setup correctly with this issue in place..

BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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nickjaxe
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May 19, 2017 - 10:55 pm
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So guys...how will the 4 stroke cub compare to a 175 Bantam that in good fettle...pulling wise.

Or ruining very well (for Dimitris)

My Bantam video              https://www.you.....jpOFmzRZRI

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dimitris
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June 22, 2017 - 6:03 am
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Hi Nick.

I would say its about the same...More acceleration for the Bantam (lighter), but then both pulling nice. 

Cruising speed at around 55mph for the Bantam, not sure yet about the Cub, because of a non stable speedo needle, and some cylinder gasket leaks, didn't want to force it ..
For sure, you feel the Cub as heavier and stronger bike, but maybe its just heavier, and the wild sound confuses... dunno

Not even thinking to compare with the D1. Fighting to climb a little slope with 2nd gear, while the Cub was in 3rd, asking for 4th..

BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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dimitris
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June 22, 2017 - 6:16 am
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Took out the head again. The base gasket...was just not there (i should check it before). Took the chance to clean and paint the cylinder.

Now just have to put the head assembly and push rods back together. Valve clearance and timing became second nature.. wink

Also, ordered an Indian speedometer, straight replacement for the original (25 euros, and 3 days with DHL was a good buy) 

The one on the bike was the 120 miles version, and although i fixed the odometer, and replaced the magnet from an old one, the needle was still unstable...dunno

20170621_195246_resized.jpg

20170621_152903_resized.jpg

BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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nickjaxe
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June 22, 2017 - 5:53 pm
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Thank for the comparison Demitris.

My Bantam video              https://www.you.....jpOFmzRZRI

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dimitris
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June 23, 2017 - 7:17 am
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My pleasure Nick, sorry for not noticing the post before.

Anyway i closed the engine, and its running OK, with no more leaks in head cylinder/area. Only some leaking from clutch area...that was already there.

Tomorrow will test ride it, i run out of day light....ranting

Speedo cable needed some filing to fit in the replica speedo, but looks like original and  for the price is better than expected. Only the bulb holder was in some conflict with the Cub's oversized horn in the headlight shell...

P.s I am amazed how easily the Cub is firing up, and i can do it even with not shoes on! (not very smart, but ...)

20170622_193600.jpg20170622_193610.jpg

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BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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dimitris
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June 23, 2017 - 7:22 am
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A, i have a question!

Using the manifold adaptor, plus a second adaptor to fit the mikuni without any modifications on it, it has to step down from bigger diameter to smaller, before the cylinder.

So, there is some kind of step, if you know what i mean...(see picture)

I didn't notice any fueling problems, but you think it will be an issue, and i should change the shape of the manifold to conical??

 

20170529_204816_resized.jpg

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BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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BASIL
Hamstreet,Ashford.
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June 23, 2017 - 9:11 am
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I have one of those Indian speedos on a B175 they are spot on for the price, accurate and no flickering needle. Regards Basil.

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Peterg
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June 23, 2017 - 10:38 am
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If it is any reassurance the DBD Gold Star has a similar step down. Apparently the additional turbulence of the step down improved performance over the smooth bore. Possibly due to the low gas speeds with such a big carb at lower revs.

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dimitris
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June 23, 2017 - 12:02 pm
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Peterg said
If it is any reassurance the DBD Gold Star has a similar step down. Apparently the additional turbulence of the step down improved performance over the smooth bore. Possibly due to the low gas speeds with such a big carb at lower revs.  

That's interesting....thanks Peterg!

BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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dimitris
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January 6, 2018 - 7:11 pm
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Was adding some "hands free" safety equipment on the Cub..
Still need to do the wiring. The control switch is in place, flasher/buzzer tested and working.
Cheap low profile indicators, just replaced the bulbs with 6V.

Not sure that will be so visible from the side...

20180106_124225.jpg20180106_124820.jpg20180106_142129.jpg

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BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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dimitris
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January 15, 2018 - 5:47 am
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Project completed, all electrics set up, and working as they should. 

6v battery, and don't seem to have problem when the headlight is on. Can easily change to led if need to..

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BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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Blue Heeler
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January 15, 2018 - 11:29 am
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Very tidy job,unobtrusive too.

Good point about being seen from the side,I expect you`ll still treat all car drivers at side roads as idiots or blind 🙂 Unless they`re bikers too,they are conditioned to staring at large bright modern car light lenses.

Blue

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dimitris
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January 15, 2018 - 12:58 pm
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Thanks, i am sure the "tidy" is not referring to my storagedoh

Yes..i know its not visible from the side...

Anyway, its just additional measure to hand signals, or when those are not possible...

Mostly i concern about the right turns, where is not possible to hand signal and keep throttle open at the same time....dunno

BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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Blue Heeler
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January 15, 2018 - 1:56 pm
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Haha,from what I can see of your work space,that`s tidy by my own standards!

As for hand signals,imagine if we still had to wave our arms around to signify slowing down....still I think bike cops still do that when they`re trying to usher riders/drivers into a layby etc?

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