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Engine dies at low RPM
Hi RAMVA!
I have FINALLY just fitted the engine back into my 1975 1303 after a top-end overhaul (AR-code 1300 upgraded to 1584cc with new B&P's with a 34PICT carb/manifold) which I did myself. When the engine runs it does so but only at a high RPM (when the choke is on). When the revs drop (say at a junction or when the choke is off) the engine stalls. I haven't touched the carb yet, so it may need tuning to suit the 'new' engine, although it ran ok on the old one. Would this be the carb, or likely something else? Cheers in advance :-D Howard |
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#2
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Engine dies at low RPM
In article om>,
Howard Rose > wrote: > Hi RAMVA! > > I have FINALLY just fitted the engine back into my 1975 1303 after a > top-end overhaul (AR-code 1300 upgraded to 1584cc with new B&P's with > a 34PICT carb/manifold) which I did myself. > > When the engine runs it does so but only at a high RPM (when the choke > is on). When the revs drop (say at a junction or when the choke is > off) the engine stalls. > > I haven't touched the carb yet, so it may need tuning to suit the > 'new' engine, although it ran ok on the old one. Would this be the > carb, or likely something else? > > Cheers in advance :-D > > Howard check for manifold air leaks. vacuum. Idle jet. and dirt in the idle circuit. and there are adjustments. good luck. -- when you believe the only tool you have is a hammer. All problems look like nails. |
#3
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Engine dies at low RPM
A Veteran wrote:
> In article om>, > Howard Rose > wrote: > >> Hi RAMVA! >> >> I have FINALLY just fitted the engine back into my 1975 1303 after a >> top-end overhaul (AR-code 1300 upgraded to 1584cc with new B&P's with >> a 34PICT carb/manifold) which I did myself. >> >> When the engine runs it does so but only at a high RPM (when the choke >> is on). When the revs drop (say at a junction or when the choke is >> off) the engine stalls. >> >> I haven't touched the carb yet, so it may need tuning to suit the >> 'new' engine, although it ran ok on the old one. Would this be the >> carb, or likely something else? >> >> Cheers in advance :-D >> >> Howard > > check for manifold air leaks. vacuum. > Idle jet. > and dirt in the idle circuit. and there are adjustments. > good luck. > Hi Howard - see you've come here as VZi is down again ! I just had the same with my 68 bay I parked it up a couple of months ago - running fine Came to move it the other day -, same symptoms as tours - I took the carb off. Cleaned the bowl, took the jets out and blew through all the air ways with the air gun - sorted it a treat Good luck Rich |
#4
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Engine dies at low RPM
On 25 Sep, 21:11, Tricky > wrote:
> A Veteran wrote: > > In article om>, > > Howard Rose > wrote: > > >> HiRAMVA! > > >> I have FINALLY just fitted the engine back into my 1975 1303 after a > >> top-end overhaul (AR-code 1300 upgraded to 1584cc with new B&P's with > >> a 34PICT carb/manifold) which I did myself. > > >> When the engine runs it does so but only at a high RPM (when the choke > >> is on). When the revs drop (say at a junction or when the choke is > >> off) the engine stalls. > > >> I haven't touched the carb yet, so it may need tuning to suit the > >> 'new' engine, although it ran ok on the old one. Would this be the > >> carb, or likely something else? > > >> Cheers in advance :-D > > >> Howard > > > check for manifold air leaks. vacuum. > > Idle jet. > > and dirt in the idle circuit. and there are adjustments. > > good luck. > > Hi Howard - see you've come here as VZi is down again ! > > I just had the same with my 68 bay > > I parked it up a couple of months ago - running fine > > Came to move it the other day -, same symptoms as tours - I took the > carb off. Cleaned the bowl, took the jets out and blew through all the > air ways with the air gun - sorted it a treat > > Good luck > > Rich Hey there, thought I would visit. No real advice, JK down as well. meant to be back today.. James |
#5
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Engine dies at low RPM
juperwort wrote:
> On 25 Sep, 21:11, Tricky > wrote: >> A Veteran wrote: >>> In article om>, >>> Howard Rose > wrote: >>>> HiRAMVA! >>>> I have FINALLY just fitted the engine back into my 1975 1303 after a >>>> top-end overhaul (AR-code 1300 upgraded to 1584cc with new B&P's with >>>> a 34PICT carb/manifold) which I did myself. >>>> When the engine runs it does so but only at a high RPM (when the choke >>>> is on). When the revs drop (say at a junction or when the choke is >>>> off) the engine stalls. >>>> I haven't touched the carb yet, so it may need tuning to suit the >>>> 'new' engine, although it ran ok on the old one. Would this be the >>>> carb, or likely something else? >>>> Cheers in advance :-D >>>> Howard >>> check for manifold air leaks. vacuum. >>> Idle jet. >>> and dirt in the idle circuit. and there are adjustments. >>> good luck. >> Hi Howard - see you've come here as VZi is down again ! >> >> I just had the same with my 68 bay >> >> I parked it up a couple of months ago - running fine >> >> Came to move it the other day -, same symptoms as tours - I took the >> carb off. Cleaned the bowl, took the jets out and blew through all the >> air ways with the air gun - sorted it a treat >> >> Good luck >> >> Rich > > > Hey there, thought I would visit. No real advice, JK down as well. > meant to be back today.. > > James > Hi James - How you doing long time no see n all that. I think JK and VZi were on the same server or somthing ? I guess they'll be back soon Take care Rich |
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