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Amal Concentric Tuning

Bill Thomas

Well Known and Active Forum Website User
VOC Member
David, My head hurts !!, So much info', My Ex L/ning is running so well on 28mm Mk1, It's just the starting after a stop of 10 min' or more, ie, not cold, I have to flood the back carb a Nats', My brother Ron uses the choke on his Comet, Something we have never done befor, I don't have them on mine, Maybe the float level is too low ?, I am sure it's this Petrol, Or Pee, They are selling us !!, I have not messed up a plug for so long I am frightened to touch the carbs, I do a lot of slow work through the forest, 40 mph max ! But it is also going well higher up, 70 to 90 on very small throttle openings, I thought with only 28mm carb's, It would round to the stop all the time. Cheers Bill.
 

Howard

Well Known and Active Forum Website User
VOC Member
I've used both those web sites, there's a lot of good info, and my 32 mm Mk1s are set better than ever now.

I agree Bill, starting is a black art, you never know whether to tickle them or not - better with electric start. I've never used chokes, just flood the carbs for first start - mind you, for first start on cold winter days I have the HW patented chokes, two pieces of foam plastic pipe insulation pushed into the bellmouths - works a treat.

H
 

davidd

Well Known and Active Forum Website User
VOC Member
David, My head hurts !!, So much info', My Ex L/ning is running so well on 28mm Mk1, It's just the starting after a stop of 10 min' or more, ie, not cold, I have to flood the back carb a Nats', My brother Ron uses the choke on his Comet, Something we have never done befor, I don't have them on mine, Maybe the float level is too low ?, I am sure it's this Petrol, Or Pee, They are selling us !!, I have not messed up a plug for so long I am frightened to touch the carbs, I do a lot of slow work through the forest, 40 mph max ! But it is also going well higher up, 70 to 90 on very small throttle openings, I thought with only 28mm carb's, It would round to the stop all the time. Cheers Bill.

Well, at least you seem to have found a solution. I have 32 mm on the Egli and the starting has always been good with no chokes. In the early days I had a problem with cold starts. It was most likely aided by a weak magneto. If the mixture was richened, it would start first kick. I carried a "Dristan" squeeze bottle with petrol in it. I would open up the slides and give a little squeeze in each carb. I would only do it in the morning usually, but once in a while after sitting all day. The 28 mm's should certainly pull well and it sounds like they do!

David
 

Bill Thomas

Well Known and Active Forum Website User
VOC Member
Hello David, Yes I have blamed sparks and everything ! Even Me !!, The funny thing is with the TT carbs it would start befor I had finished the swing ! Then they kept wetting the plugs, I have a crack in one of the heads and was Thinking too much, I worry about everything. With the mk1 Con's they made a Lot of changes, And I bought mine at a Boot Fair, So God knows what I have bought. And with Big Sid's Balls in the handle bars !! It was a pleasure to ride at 70 + the other day, Felt like I could ride all day. All The Best, Bill.
 

Tug Wilson

Well Known and Active Forum Website User
Non-VOC Member
Hello David, Yes I have blamed sparks and everything ! Even Me !!, The funny thing is with the TT carbs it would start befor I had finished the swing ! Then they kept wetting the plugs, I have a crack in one of the heads and was Thinking too much, I worry about everything. With the mk1 Con's they made a Lot of changes, And I bought mine at a Boot Fair, So God knows what I have bought. And with Big Sid's Balls in the handle bars !! It was a pleasure to ride at 70 + the other day, Felt like I could ride all day. All The Best, Bill.
Bit worried about big Sid's balls in the handlebars, I thought he was a nice guy! RIP Sid.
 
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