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by Eero.Korhonen
Fri Jun 14, 2019 12:42 pm
Forum: Four stroke
Topic: Thorspark Electronic Ignition on a VH
Replies: 21
Views: 489

Re: Thorspark Electronic Ignition on a VH

I have iron head VH with 28 mm concentric, piston is from a car 84 mm(Datsun 180 SSS), probably compression
is about 8. Main jet is 180. Normal magneto ignition.
Br, Eero
by Eero.Korhonen
Wed Jun 12, 2019 1:21 pm
Forum: Ariel Talk
Topic: Ariel KHA
Replies: 8
Views: 258

Re: Ariel KHA

Hello,
I think your list is incomplete, you can try this:
https://www.draganfly.co.uk/data/pdf/ariel_vin.pdf
Br, Eero
by Eero.Korhonen
Thu Jun 06, 2019 7:34 am
Forum: Four stroke
Topic: Engine revs rising when air lever opened
Replies: 23
Views: 1355

Re: Engine revs rising when air lever opened

I think you should hear some weird sound, is there is a leak between cylinder and head.
Br, Eero
by Eero.Korhonen
Sat May 11, 2019 10:23 am
Forum: Member's Bikes
Topic: 1951 Square Four MKI
Replies: 2
Views: 188

Re: 1951 Square Four MKI

It is looking so good!
Br, Eero
by Eero.Korhonen
Thu May 09, 2019 5:29 am
Forum: For sale/wanted - Bikes
Topic: 1952 KH for sale
Replies: 1
Views: 229

Re: 1952 KH for sale

Nice one!
Br, Eero
by Eero.Korhonen
Thu May 09, 2019 5:27 am
Forum: Four stroke
Topic: Spark plug for 350 with tuning
Replies: 14
Views: 560

Re: Spark plug for 350 with tuning

I usually buy these Champion from ebay and I get couple of those, because you can not get them from stores.
Br, Eero
by Eero.Korhonen
Thu May 09, 2019 5:23 am
Forum: Four stroke
Topic: VB head gasket
Replies: 11
Views: 358

Re: VB head gasket

If you are using copper gasket (again old one maybe), you should heat it to red and let it cool.
Br, Eero
by Eero.Korhonen
Wed May 08, 2019 9:01 am
Forum: Four stroke
Topic: Spark plug for 350 with tuning
Replies: 14
Views: 560

Re: Spark plug for 350 with tuning

I would go for Champion L82 maybe? And in my IZH I use Bosch.
Br, Eero
by Eero.Korhonen
Tue May 07, 2019 9:09 am
Forum: Main Chat Forum
Topic: Engine sprockets
Replies: 2
Views: 202

Re: Engine sprockets

Hi Bevan,
I don't know about engine sprockets, but in years ago we used to make gearbox sprockets from
industrial ones and they last long enough. Maybe you can take a file with you and test
the hardness. We simply cut the center off in lathe and weld it to the new sprocket.
Br, Eero
by Eero.Korhonen
Mon May 06, 2019 5:21 am
Forum: Main Chat Forum
Topic: Sight seeing Pas de Calais -again-
Replies: 1
Views: 203

Re: Sight seeing Pas de Calais -again-

Nice pics, thanks for sharing!
Br, Eero

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