Search found 148 matches

by fastharry
Thu May 14, 2020 3:44 pm
Forum: Tech
Topic: Amal vs Wassell carburetor
Replies: 45
Views: 2182
Flag: England

Re: Amal vs Wassell carburetor

Mike. I don't have the size of the hole. I asked Motocarb, and they say its based on the flow rate so no particular size is measured, I can tell you they are on sale on ebay USA for $4.50. Item number is for a #60 but i think he carries them all, item number 161059317156, Mikuni part number VM17/100...
by fastharry
Wed May 13, 2020 10:33 pm
Forum: Tech
Topic: Amal vs Wassell carburetor
Replies: 45
Views: 2182
Flag: England

Re: Amal vs Wassell carburetor

As i said at the top Jeff, i have had no major problems with the Wassell Premier if thats the style of carb you prefer, I have 6 on the shelf. Good luck with your projects, Im a year behind you, still racing flattrack, and like you, have a stack of projects, The next 2 i have just started on are Tra...
by fastharry
Wed May 13, 2020 11:26 am
Forum: Tech
Topic: Amal vs Wassell carburetor
Replies: 45
Views: 2182
Flag: England

Re: Amal vs Wassell carburetor

So far i have not seen a Diagnosis that points to the mikuni enrichment circuit being lean or rich at cold start, as i think jeff said, he improved the cold starting by by changing the jetting (but no specifics) i would guess you upped the pilot and left the choke lever off until it improved cold st...
by fastharry
Tue May 12, 2020 7:20 pm
Forum: Tech
Topic: Amal vs Wassell carburetor
Replies: 45
Views: 2182
Flag: England

Re: Amal vs Wassell carburetor

Mr Mike i have already explained several post above how to fix the Enrichner circuit on a Mikuni! And yet the last 6 posts have chosen to completely ignore it, This site gets more like facebook every day! Folks just leap in with there comments without reading prior feedback! I will spell it out agai...
by fastharry
Tue May 12, 2020 6:02 pm
Forum: Parts & Bikes wanted
Topic: Sourcing Bsa Carrillo con rod
Replies: 4
Views: 552
Flag: England

Re: Sourcing Bsa Carrillo con rod

Do they have the rods in stock? As i am looking for a B44 rod.
by fastharry
Sun May 03, 2020 12:51 pm
Forum: Parts & Bikes wanted
Topic: Sourcing Bsa Carrillo con rod
Replies: 4
Views: 552
Flag: England

Re: Sourcing Bsa Carrillo con rod

Last time i wanted one i got it from Roger at RTS Racing in Gloucester i think he is.
by fastharry
Sun May 03, 2020 12:48 pm
Forum: Parts & Bikes wanted
Topic: B50 Engine Cases
Replies: 2
Views: 364
Flag: England

Re: B50 Engine Cases

If you get stuck i have a pair of B25 cases, which is the same casting i believe, but you need to alter the cylinder stud spacing to suit, I no Mark do's the job, and possibly others?
by fastharry
Sun May 03, 2020 12:41 pm
Forum: Tech
Topic: Amal vs Wassell carburetor
Replies: 45
Views: 2182
Flag: England

Re: Amal vs Wassell carburetor

I have fitted several wassell carbs to twins and singles, They also do a premier style version so that you can change the pilot jet, and clean it, no problems from them, I would throw used amal as far into the long grass as possible, the amount of times i have had bikes in with worn carbs, spent hou...
by fastharry
Sat Apr 18, 2020 2:54 pm
Forum: Parts for sale
Topic: Main Bearings NF305
Replies: 0
Views: 627
Flag: England

Main Bearings NF305

I have 2 NSK Main bearings in stock NF305E C3. 11 rollers. 2 piece Bearing, £40 each.
by fastharry
Fri Jul 26, 2019 1:04 pm
Forum: Tech
Topic: Cylinder Stud Spacing
Replies: 0
Views: 2180
Flag: England

Cylinder Stud Spacing

Can anyone help Id a spacer i have, It looks to be a cylinder barrel height spacer, The stud holes are 73mm centres, is there a Bsa single that matches that?
by fastharry
Thu Jul 18, 2019 10:39 am
Forum: Tech
Topic: Spacer plate
Replies: 3
Views: 1275
Flag: England

Re: Spacer plate

Not sure its for a B50 as the bore would leave 2mm wall thickness for the liner, i don't have the stud pattern measurements for a B50, but i tried it on a B44 and the spacer was smaller. I seem to have created 2 posts because my first would not go through but it seems it now has, is it possible to d...
by fastharry
Thu Jul 18, 2019 9:58 am
Forum: Tech
Topic: Spacer plate
Replies: 3
Views: 1275
Flag: England

Spacer plate

Can anyone help with identifying this cylinder spacer, It has a bore of 88mm x 14mm thick, stud spacing of 73mm centre's or 2 7/8th,
by fastharry
Sat Jul 06, 2019 10:34 pm
Forum: Parts for sale
Topic: B50 Mx sump Guard
Replies: 1
Views: 1448
Flag: England

Re: B50 Mx sump Guard

Sold,
by fastharry
Wed Jul 03, 2019 11:20 am
Forum: Tech
Topic: B44 to 82mm
Replies: 9
Views: 2420
Flag: England

Re: B44 to 82mm

Yes, i am in that bracket as well, great advice, many thanks.
by fastharry
Sun Jun 30, 2019 11:35 am
Forum: Parts for sale
Topic: B50 Mx sump Guard
Replies: 1
Views: 1448
Flag: England

B50 Mx sump Guard

B50 Mx Sump guard, Very nice condition, few light scratches but nothing bad, £30 + post.
by fastharry
Sun Jun 30, 2019 11:11 am
Forum: Tech
Topic: B44 to 82mm
Replies: 9
Views: 2420
Flag: England

B44 to 82mm

Can anyone tell me if the is a noticeable gain by going to 82mm bore on a B44, Im about to start on an engine thats going in a CCM frame.
by fastharry
Sat Jun 15, 2019 2:45 pm
Forum: Parts & Bikes wanted
Topic: OIF Frame and 250ish Engine WANTED
Replies: 1
Views: 1044
Flag: England

Re: OIF Frame and 250ish Engine WANTED

I have a B25 frame, crank cases and crank, i also have a b44 crank, c/cases and various other b44 bits, PM me for contact details. in leicester.
by fastharry
Fri Jun 14, 2019 5:13 pm
Forum: Parts & Bikes wanted
Topic: B44 pistons
Replies: 0
Views: 2103
Flag: England

B44 pistons

B44 slipper pistons wanted x 2 New old stock preferred.
by fastharry
Fri Jun 14, 2019 4:59 pm
Forum: Parts & Bikes wanted
Topic: Prop stand and sump plate
Replies: 13
Views: 4031
Flag: England

Re: Prop stand and sump plate

I have a sump guard in very good condition, Only small fault is the lower mounting holes have been filed to make removal easier i guess, you would not see it when fitted. In leicester,
by fastharry
Thu Dec 27, 2018 9:13 am
Forum: Parts & Bikes wanted
Topic: BSA B44 Crank Cases
Replies: 5
Views: 2860
Flag: England

Re: BSA B44 Crank Cases

If you don't mind me asking, what did you have to pay for them. I will put them on sale but have no idea of the value.
by fastharry
Thu Dec 20, 2018 9:04 am
Forum: Tech
Topic: Crankcase Breathing
Replies: 22
Views: 5696
Flag: England

Re: Crankcase Breathing

Royal Enfield use a piece of half inch dia rubber tube about 6 inches long , flattened at the end like a duck bill, £2 each.

Edit by MM:
Example here
by fastharry
Wed Dec 05, 2018 11:21 am
Forum: Parts & Bikes wanted
Topic: BSA B44 Crank Cases
Replies: 5
Views: 2860
Flag: England

Re: BSA B44 Crank Cases

Yes i have.
by fastharry
Mon Nov 19, 2018 11:14 pm
Forum: Tech
Topic: B25 carrillo
Replies: 15
Views: 3407
Flag: England

Re: B25 carrillo

You might take a look at Thunder engineerings alloy rods for a 500 triumph. I believe they fit the B25, Very well made, I have fitted several sets to race engines with no problems so far, And far better value than Carrillo. Iv'e seen lots of comments saying do not use this make of shell or that make...
by fastharry
Wed Mar 14, 2018 6:05 pm
Forum: Parts for sale
Topic: B44 Crank Cases
Replies: 0
Views: 3009
Flag: England

B44 Crank Cases

I have the cases to match the crank on sale. in good condition , all threads look to be fine. One small part has been welded where the oil scraper has been knocked at some time, some scratches and rubbing marks here and there but ready to be used as is after a bit of a clean Will make a nice set of ...
by fastharry
Wed Mar 14, 2018 5:57 pm
Forum: Parts for sale
Topic: B44 Crank
Replies: 0
Views: 2835
Flag: England

B44 Crank

I have some parts im looking to sell, First is a crank from a B44 b VS . Looks to be in all round good condition. Big end feels fine but no guarantee, Threads and keyways all in very good order, £150 regards. Harry. Edit by MM, phone number removed to protect you from the insidious, please use the P...
by fastharry
Wed Mar 08, 2017 2:43 pm
Forum: Suppliers and New Products
Topic: Vapour blasting
Replies: 7
Views: 2657
Flag: England

Re: Vapour blasting

I use hermes to return the parts i have bead/vapour blasted for customers, very good value, Parcel Hero for heavier stuff.
by fastharry
Mon Feb 06, 2017 2:56 pm
Forum: Tech
Topic: B25 won't rev past 5k
Replies: 85
Views: 16398
Flag: England

Re: B25 won't rev past 5k

I wondered how long it would be before we got our legs slapped! Many thanks for the battery info, i think i will go that route with out an alternator. regards Harry.
by fastharry
Mon Feb 06, 2017 11:04 am
Forum: Tech
Topic: B25 won't rev past 5k
Replies: 85
Views: 16398
Flag: England

Re: B25 won't rev past 5k

www.dirttrackriders.co.uk Its all on there Alan. Dirtquake is at kings lynn which is not labled for some reason.
by fastharry
Mon Feb 06, 2017 10:38 am
Forum: Tech
Topic: B25 won't rev past 5k
Replies: 85
Views: 16398
Flag: England

Re: B25 won't rev past 5k

Our races are on speedway tracks for 6 to 8 laps at around 30s a lap. So not a lot of on track time, A short practice , 3 heats and an 8 lap final, so probably about 35 mins max run time, The debate is wether to run with an alternator and reg box, or just a battery, Hwan said he had an average 2amp ...
by fastharry
Sun Feb 05, 2017 11:09 am
Forum: Tech
Topic: B25 won't rev past 5k
Replies: 85
Views: 16398
Flag: England

Re: B25 won't rev past 5k

Hwan. I was thinking of fitting a wassell ignition to my T140 Flattrack race bike, from yours and Stans findings it would indicate that i would need to run an alternator to keep the battery up, would you agree.
by fastharry
Wed Feb 01, 2017 10:05 am
Forum: Project bikes
Topic: BSA C15/B25/B40 FLATRACK PROJECT
Replies: 39
Views: 10988
Flag: England

Re: BSA C15/B25/B40 FLATRACK PROJECT

Is the clutch a taper fit or has the shaft been changed, I fancy something like that on my B50 flattracker.
by fastharry
Wed Jan 04, 2017 11:31 am
Forum: Tech
Topic: Mx fork mods
Replies: 21
Views: 5385
Flag: England

Re: Mx fork mods

A lot of people go for Betor . Ciriani, or Marzzochi. I have tried to find good quality progressive springs but 70's bsa's are not on any list i can find. One company did have B50's listed but they also listed 750 T140 and Trident as the same spring , so make of that what you will.One warning i will...
by fastharry
Sun Jan 01, 2017 2:37 pm
Forum: Tech
Topic: B50 Fork stanchion length??
Replies: 13
Views: 2849
Flag: England

Re: B50 Fork stanchion length??

The effect will be slower steering which = a more ponderous front end, It will increase the already long rake angle, in theory you would want to raise the rear the same amount to keep things the same as factory, except a higher seat height. None of this would be an ideal street mod in my opinion. I ...
by fastharry
Wed Nov 09, 2016 10:13 am
Forum: Tech
Topic: Mikuni cold starter jet change
Replies: 9
Views: 2418
Flag: England

Re: Mikuni cold starter jet change

Excellent, I to find it strange that they use the same choke jet in a range of different bore sizes.
by fastharry
Mon Oct 31, 2016 11:06 pm
Forum: Tech
Topic: Mikuni cold starter jet change
Replies: 9
Views: 2418
Flag: England

Re: Mikuni cold starter jet change

On the 32mm the choke jet is to big, a company called moto carb will do a conversion for you for £25. Or he will sell you a jet . He drills his out from the inside then taps it 4mm , i do my own with his jets. If you turn your bowl upside down you will see a small round stub under the jet, I drill t...
by fastharry
Sun Oct 09, 2016 5:33 pm
Forum: Tech
Topic: B25 won't rev past 5k
Replies: 85
Views: 16398
Flag: England

Re: B25 won't rev past 5k

I don't think its been mentioned yet and is often overlooked is the slide cutaway size which works around the midrange area, iv'e had it happen 3 times on different bikes with similar problems, Not many bikes are factory standard after a few years of wear and tear and modification, if its to small i...
by fastharry
Wed Oct 05, 2016 5:23 am
Forum: Tech
Topic: camshaft sealing
Replies: 15
Views: 3327
Flag: England

Re: camshaft sealing

Could you recommend a supplier of the 2 lip seal please.
by fastharry
Wed Oct 05, 2016 5:18 am
Forum: Tech
Topic: NEB or PES crankshaft?
Replies: 8
Views: 3085
Flag: England

Re: NEB or PES crankshaft?

Do you have any big end kits in stock Mark? And is it possible to buy just a bearing if my pin is ok?
by fastharry
Wed Oct 05, 2016 5:07 am
Forum: Tech
Topic: B 50 MX
Replies: 5
Views: 1743
Flag: England

Re: B 50 MX

The secret is Jim is to leave it alone unless you have worn sprockets. standard is ok if its your first race, but as has already been said it depends on the track. Unless your Jeff Smith a few teeth ain't gonna make a lot of difference. Get used to the bike, concentrate more on the handling setup, L...
by fastharry
Mon Oct 03, 2016 8:43 am
Forum: Tales Of Woe
Topic: one way valve
Replies: 15
Views: 4649
Flag: England

Re: one way valve

Don't mean to be a pain but there are hundreds of them on ebay most of them with several tubes sticking out. Are there any make or model that have been tried and tested, i bought some of the xs650 reed ones fitted about 14" from the case but they get gummed up fairly quick. Perhaps some sort of oil ...