DBD34 Mikuni carb problem

Started by chrisf-1, 09 Nov, 2024, 10:59

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ducati2242

No help at all on your mikuni but Why . My db500 , totally rebuilt with pearson internals , runs perfectly on an amal gp . Starts first or second kick , ticks over good , and pulls like a train .
1956 bsa GS DB500
1968 mk1 Rocket 3
2006 ducati 999R .

cornishbob

#16
the needle 'seated' over time? what is youre set'up? what size? vm38/4? what slider? jetting? i lurve mukinis. all my harleys run on them

chrisf-1

Quote from: ducati2242 on 12 Nov, 2024, 08:18 No help at all on your mikuni but Why . My db500 , totally rebuilt with pearson internals , runs perfectly on an amal gp . Starts first or second kick , ticks over good , and pulls like a train .
I have the original GP for the bike and I spoke with Burlen's about re conditioning it is very worn even from first glance and Burlens priced a replacement that will do the job but is not correct at over a grand and said a correct one is no longer available so that will not be happening

ducati2242

Quote from: chrisf-1 on 12 Nov, 2024, 10:11
Quote from: ducati2242 on 12 Nov, 2024, 08:18 No help at all on your mikuni but Why . My db500 , totally rebuilt with pearson internals , runs perfectly on an amal gp . Starts first or second kick , ticks over good , and pulls like a train .
I have the original GP for the bike and I spoke with Burlen's about re conditioning it is very worn even from first glance and Burlens priced a replacement that will do the job but is not correct at over a grand and said a correct one is no longer available so that will not be happening
I hit lucky and got mine from a genuine seller on ebay for £360 took a bit of set up and afew different slides  and experimental holes drilled in said slides but i have it almost perfect now . sometimes stalls on tickover but i dont want to try to up the revs from the 800 i have it at now as it may go all wrong .
1956 bsa GS DB500
1968 mk1 Rocket 3
2006 ducati 999R .

chrisf-1


cornishbob

heres a useful little nic nak to help tune it...if you can find one

chrisf-1

just bought one from Ghost bikes what have I got to lose £11.00 delivered

cornishbob

does help . gives you an inkling of whats to be done

neil1964

I've got a couple of Amal 1036 set up for a DBD 😉. I am using one on my 600.
Also have a 930 on my 500 (but also have a 10TT9 for that). They are simple and work well with decent slides and correct jets. Not as flash as the GP or as sophisticated as the Mikuni.