Search found 177 matches

by madsundaysurvivor
Tue May 12, 2020 5:59 pm
Forum: Tech
Topic: 350 and 441 use the same Intake valve
Replies: 4
Views: 210
Flag: Spain

Re: 350 and 441 use the same Intake valve

I can not be 100% of your question, because I have not seen both valves But from my work experience in purchasing department, 99% of times the part number is different, the item is different. Maybe it's just because of the material they are made,you can weigh them to check differences. Or maybe it's...
by madsundaysurvivor
Sat May 09, 2020 7:15 pm
Forum: Parts for sale
Topic: B25R ?
Replies: 10
Views: 1033
Flag: Spain

Re: B25R ?

minetymenace wrote:
Sat Apr 18, 2020 12:23 pm
One of its main design features was a horizontally split crank case with ready moulded bosses which looked like mountings for a yet to be designed electric start
Very interesting, this could be the solution for wet crankcases of momus
Photos please
by madsundaysurvivor
Sat May 09, 2020 7:01 pm
Forum: Tech
Topic: Outer timing cover equivalences
Replies: 10
Views: 495
Flag: Spain

Re: Outer timing cover equivalences

yes, what about it? that's my main doubt.
I don't have the kickstart quadrant either, I could buy a b50 if the gearbox side is the same
by madsundaysurvivor
Sat May 09, 2020 10:31 am
Forum: Tech
Topic: Outer timing cover equivalences
Replies: 10
Views: 495
Flag: Spain

Re: Outer timing cover equivalences

Thank you for your answers. I knew about the difference between the seal of b44 and b25.
about the outer timing cover, I don't use points on the hpi ignition (is like the electrex) so the position of the cable hole is not a problem.
So, Could I fit a b50 cover in my b44?
by madsundaysurvivor
Thu May 07, 2020 6:48 pm
Forum: Tech
Topic: Outer timing cover equivalences
Replies: 10
Views: 495
Flag: Spain

Outer timing cover equivalences

I need a outer timing cover for a b44vs 1969, Do I only have to take in mind the diameter of the hole for kickstart?
All models (b25, b44, bb50) and years hace the same outer cover?
by madsundaysurvivor
Mon May 04, 2020 7:35 pm
Forum: Tech
Topic: Which tank sealant?
Replies: 16
Views: 2930
Flag: Spain

Re: Which tank sealant?

I have used tank cure several times, (only because I have the distributor for Spain nearby, and I only have to go to the store to buy it without shipping) always with good results. I do not know how long it lasts, because I have been selling some motorcycles and I do not know how it will be now. I h...
by madsundaysurvivor
Sun May 03, 2020 11:04 am
Forum: Tech
Topic: Classic mx throttle twist grip
Replies: 8
Views: 470
Flag: Spain

Re: Classic mx throttle twist grip

This b44vs will be a motorcycle to ride quietly through the field, not for racng, well, only a short rancing with some friend :mrgreen: :mrgreen: . As I said, I like that the pieces, although they are not original, are from the same period. that a motorist in the late sixties could do at the time to...
by madsundaysurvivor
Sun May 03, 2020 10:18 am
Forum: Tech
Topic: Classic mx throttle twist grip
Replies: 8
Views: 470
Flag: Spain

Re: Classic mx throttle twist grip

Yes, Are still manufactured here, under amal Spain license, arreche workshops, with plastic cane between 25-30€ , aluminium cañe 35-39€
by madsundaysurvivor
Sat May 02, 2020 10:48 pm
Forum: Tech
Topic: Classic mx throttle twist grip
Replies: 8
Views: 470
Flag: Spain

Re: Classic mx throttle twist grip

I have seen it in eighties motorcycles, but don"t know when begin to make it
by madsundaysurvivor
Sat May 02, 2020 8:21 pm
Forum: Tech
Topic: Classic mx throttle twist grip
Replies: 8
Views: 470
Flag: Spain

Re: Classic mx throttle twist grip

I usually use magura or tomaselli/domino, and I havent used before the gunnar gasser, it is correct for the late sixties?
for me is important that the visually parts genune or aftermarket to be from the same time as the bike.
by madsundaysurvivor
Fri May 01, 2020 6:35 pm
Forum: Tech
Topic: Classic mx throttle twist grip
Replies: 8
Views: 470
Flag: Spain

Classic mx throttle twist grip

Hello, I want build a b44vs, enduro style with miscelaneous cycle parts (forks,wheels,brakes,handlebar, contols....), but I want thar these parts are the same age, 69, three years up or down...only genune no replicas By the the throttle tiwst grip I had thinked in this, but I don't know the year exa...
by madsundaysurvivor
Wed Apr 29, 2020 5:54 pm
Forum: Tech
Topic: B25 piston
Replies: 15
Views: 758
Flag: Spain

Re: B25 piston

It is not easy to see if I do not have the piston in my hands. it is rare for the spark plug to rub against the piston no matter how much it expands, before would touch the valves head. Rather it seems that they have used a tool to block the crankshaft through the spark plug hole, surely to tighten ...
by madsundaysurvivor
Tue Apr 28, 2020 5:59 pm
Forum: Tech
Topic: Amal vs Wassell carburetor
Replies: 45
Views: 1746
Flag: Spain

Re: Amal vs Wassell carburetor

Hello, I prefer original amal for british bike, (dellorto in my others road or racing bikes). But if you have a used body, there are times that they have wear on the bore and even if you put a new slide they do not end up being fine. if you do not have them and you have to buy it I prefer a new prem...
by madsundaysurvivor
Mon Apr 27, 2020 7:00 pm
Forum: Tech
Topic: 1969 oil tanks diferences
Replies: 6
Views: 410
Flag: Spain

Re: 1969 oil tanks diferences

Thanks for your experiences, so I will cut the tube and weld it again shorter
by madsundaysurvivor
Sun Apr 26, 2020 7:26 pm
Forum: Parts for sale
Topic: Smiths chronometric repair kit
Replies: 0
Views: 655
Flag: Spain

Smiths chronometric repair kit

I mistakenly bought this item and would like to exchange it for a b44 engine part (change only, no sale) the condition is new in its original packaging, price £ 24 in store: SMITHS CHRONOMETRIC SPEEDO TACHO CHROME SCREW ON PLAIN BEZEL chromed brass speedo / tacho clock bezel . This is a screw on pla...
by madsundaysurvivor
Sun Apr 26, 2020 12:16 pm
Forum: Tech
Topic: 1969 oil tanks diferences
Replies: 6
Views: 410
Flag: Spain

Re: 1969 oil tanks diferences

oh! the matter is curious, I will have to prove it when I have it finished.
my height is better for road races motorcycles than for enduro motorcycles
by madsundaysurvivor
Sun Apr 26, 2020 9:53 am
Forum: Tech
Topic: 1969 oil tanks diferences
Replies: 6
Views: 410
Flag: Spain

Re: 1969 oil tanks diferences

Thanks,
I have seen many b44vs 69, with short filler tube, the same of the 1970 oil tank, maybe just for look or functionality?
by madsundaysurvivor
Sun Apr 26, 2020 9:40 am
Forum: Tech
Topic: 8 inch conical wheel gap at fork leg
Replies: 27
Views: 5579
Flag: Spain

Re: 8 inch conical wheel gap at fork leg

Hello bbenxe, I have never assembled a conical brake drum, but yes others similar and sometimes I have found similar problems. thinks about the forks shaft and check that they are straight, may be they had an small crash, a slight bend from the triple clamp part can easily be a centimeter at the hei...
by madsundaysurvivor
Sat Apr 25, 2020 7:10 pm
Forum: Tech
Topic: 1969 oil tanks diferences
Replies: 6
Views: 410
Flag: Spain

1969 oil tanks diferences

Someome really knows the differences between these two oil tanks?:
82-8625 b44vs 1969
82-8950 b25 1969
the brackets for oddie, of course. But what about the rest?
filler neck angle, length, shape, chassis mounts ...
by madsundaysurvivor
Fri Apr 24, 2020 5:49 pm
Forum: Suppliers and New Products
Topic: bend pipes
Replies: 16
Views: 2982
Flag: Spain

Re: bend pipes

Thanks, I know the theory, I have been welding many years with differents types, always like hobby, four or five times at month (nothing for a professional) my preffer is TIG, built and repair oil tanks, frames, exhaust, parts, estructures, and some time 2 stroke exhaust of 0,8mm of wall, but many t...
by madsundaysurvivor
Thu Apr 23, 2020 5:24 pm
Forum: Off topic
Topic: Rare thorttle twist grip?
Replies: 4
Views: 304
Flag: Spain

Re: Rare thorttle twist grip?

thanks for the explanation. I love these old aftermarket parts.
In my motorcycle restorations (not for competition), the part that I do not accept that is replica is the throttle twist grip and better if it has a beautifull patina, if it was an aftermarket replacement of its time too.
by madsundaysurvivor
Thu Apr 23, 2020 3:24 pm
Forum: Off topic
Topic: Rare thorttle twist grip?
Replies: 4
Views: 304
Flag: Spain

Rare thorttle twist grip?

Hello,
Has anyone used or seen this?
I did not know it, it seems to me a very curious classic replacement
https://www.ebay.co.uk/itm/BSA-TRIUMPH- ... SwifheVnVi
by madsundaysurvivor
Tue Apr 21, 2020 7:07 pm
Forum: Suppliers and New Products
Topic: bend pipes
Replies: 16
Views: 2982
Flag: Spain

Re: bend pipes

Yes, normally I work with few amps, but I get high cords instead of flatter.
I remember my teacher telling me more amps and faster, but for this I have to be more skillful.... :oops:
by madsundaysurvivor
Tue Apr 21, 2020 6:59 pm
Forum: Tech
Topic: T25 Tappet Orientation
Replies: 6
Views: 480
Flag: Spain

Re: T25 Tappet Orientation

Hello
if it is a pre oil in frame model, yes there is a small difference in thickness (I do not know if this is the same in oil in frame models), if you cannot see it use the vernier caliper
by madsundaysurvivor
Mon Apr 20, 2020 7:03 pm
Forum: Suppliers and New Products
Topic: bend pipes
Replies: 16
Views: 2982
Flag: Spain

Re: bend pipes

I know it, I need many more hours of experience to go faster, at the moment my jobs are not good, but at least acceptable...
by madsundaysurvivor
Sat Apr 18, 2020 10:32 pm
Forum: Tech
Topic: Timing hole B44vs
Replies: 12
Views: 685
Flag: Spain

Re: Timing hole B44vs

Thanks, then I have a doubt .... the next monday I will solve it
by madsundaysurvivor
Sat Apr 18, 2020 7:02 pm
Forum: Tech
Topic: Timing hole B44vs
Replies: 12
Views: 685
Flag: Spain

Re: Timing hole B44vs

Yes I agree with you.
As I am not sure this crankshaft is from this crankcases. out of curiosity I wanted to make sure everything was ok.
What is the difference in view between a b44 crankshaft and a b50 crankshaft?
by madsundaysurvivor
Sat Apr 18, 2020 6:16 pm
Forum: Tech
Topic: Timing hole B44vs
Replies: 12
Views: 685
Flag: Spain

Re: Timing hole B44vs

:laugh :laugh Onthe opposite side it says BSA, I have tried but it still indicates the same degrees :roll:
by madsundaysurvivor
Sat Apr 18, 2020 3:56 pm
Forum: Tech
Topic: Timing hole B44vs
Replies: 12
Views: 685
Flag: Spain

Re: Timing hole B44vs

This is why I love British motorcycles, nothing ever goes right on the first try. :roll: I was checking the degrees of advancement of the hole in the flywheel, so I expected to find there 28, but I see that around 33 or 34, the tdc I have calculated with a dial gauge (I have no cylinder or piston) I...
by madsundaysurvivor
Fri Apr 17, 2020 3:12 pm
Forum: Tech
Topic: Timing hole B44vs
Replies: 12
Views: 685
Flag: Spain

Re: Timing hole B44vs

It is not the same, the twin t120 engines are the same diameter but different thread and the rod in t120 tool is about 6mm i think BSW for t120 pre66 and UNC for bsa unit singles 69 I don't know if in post 66 or oil in frame of T120 models the thread will be the same. It is very simple to manufactur...
by madsundaysurvivor
Thu Apr 16, 2020 7:52 pm
Forum: Tech
Topic: Timing hole B44vs
Replies: 12
Views: 685
Flag: Spain

Timing hole B44vs

I'm building a B44 with miscelaaneous parts, and I have a doubt about the timing hole in crankcase. In the t120 the flywheel have a slot to use this timing tool, I want made one for the bsa, but isn't see the mark in the flywheel, I this hole of the pic? Or it Will only for equilibration, I think Do...
by madsundaysurvivor
Thu Apr 16, 2020 7:34 pm
Forum: Suppliers and New Products
Topic: bend pipes
Replies: 16
Views: 2982
Flag: Spain

Re: bend pipes

Thanks Beat, I agree with you. Basically I have two problems: 1-I am not very good at welding with one hand and adding with another, I tremble a little and I go too slow and I get too hot. 2-my instrument is old and basic, it does not have refrigeration in the torch (I want to buy a lincoln welder, ...
by madsundaysurvivor
Tue Apr 14, 2020 3:52 pm
Forum: Suppliers and New Products
Topic: bend pipes
Replies: 16
Views: 2982
Flag: Spain

Re: bend pipes

Beautyfull work! I wish Could make my own bent exhaust pipes. but I have to settle for standard welded curves I would like to ask you for advice about your welding experience. I am a amateur of tig welding with argon since many years (always as a hobby) but I am not very good, for this you have to b...
by madsundaysurvivor
Mon Apr 13, 2020 4:58 pm
Forum: Project bikes
Topic: B25 trials project.
Replies: 56
Views: 3286
Flag: Spain

Re: B25 trials project.

Frank will surely explain it better, but if this is for bultaco off road footrests, the are well placed. the footrests work on the outside of the brackets
image.jpeg
by madsundaysurvivor
Sat Apr 11, 2020 4:00 pm
Forum: Tech
Topic: Another question about speedometers
Replies: 17
Views: 1213
Flag: Spain

Re: Another question about speedometers

Hello, surprisingly I found a trip knob gear at home, in a small box with the remains of broken speedos and tachos The vertical gear can be mounted horizontally, the plastic case / bracket has slots to mount vertically and horizontally, for me a discovery ... image.png Thanks crankbuster, I am still...
by madsundaysurvivor
Fri Apr 10, 2020 5:19 pm
Forum: Tech
Topic: TRUING b25 FLYWHEEL
Replies: 4
Views: 461
Flag: Spain

Re: TRUING b25 FLYWHEEL

do I just bolt it up and hope for the best? Yes. You can check to the seal around sludge trap conexion crank/flywheel, with your finger block the holes in main journal, then infiltrate oil with an oil gun through the right hole until it is full and you have pressure and check for leaks between flyw...
by madsundaysurvivor
Sun Apr 05, 2020 4:54 pm
Forum: Tech
Topic: Firing Up tr5 For First Time In Years
Replies: 19
Views: 1367
Flag: Spain

Re: Firing Up tr5 For First Time In Years

In my 4-stroke English motorcycles, when the engine is cold, first a kick with the ignition cut off, then I look for the compression point and I give the good kick, it starts the first time, whenever the static ignition advance, carb mixed screw wll be in good adjust. If you have choke system must u...
by madsundaysurvivor
Sat Apr 04, 2020 3:12 pm
Forum: Project bikes
Topic: B25 trials project.
Replies: 56
Views: 3286
Flag: Spain

Re: B25 trials project.

Thanks, I'm very interested to see this photos. Are you sure that the fork is Betor? Mx-----Sherpa S evolved in Pursang Trial---Sherpa N evolved in Sherpa T When Don rickman won the international mx barcelona 250cc with a sherpa S 175cc, the agreement with bultaco was born . your model 11 pursang me...
by madsundaysurvivor
Sat Apr 04, 2020 10:20 am
Forum: Project bikes
Topic: B25 trials project.
Replies: 56
Views: 3286
Flag: Spain

Re: B25 trials project.

Very nice work, is it finished? I'm building a b44vs with bultaco cycle parts and I'm very intrigued with the origin of this fork: https://live.staticflickr.com/65535/49628819847_e116235b19_b.jpg B25 by barnstormerbikes , on Flickr You says sherpa, sherpa S perhaps? I have had several pursangs and s...
by madsundaysurvivor
Fri Apr 03, 2020 7:07 pm
Forum: Tech
Topic: Another question about speedometers
Replies: 17
Views: 1213
Flag: Spain

Re: Another question about speedometers

thanks, I was assuming I couldn't use any grease