2ooo night train knocking pinging and an odd whined out noise

just bought first bike..2000 softail night train with 95" put 1500 k on her.. while travelling 100kph bike made odd winding noise sputtered .. i downshifted and it went away.. next day same thing i but this time died in 3rd and i coasted off higway.. bike fired back up right away but with odd noise towed to shop.. checked primary.. chain loose bought auto adjuster m6.. checked comp nut.. was good.. tried out again.. and it died in second.. back to shop changed tranny.. new alt/stator/vss/primary chain... bike still knocking and pinging... any help would be great? :witsend:

is efi or carb. how does it idle. how many miles are on it

In the Troubleshooting Section of the Service Manual it lists 5 possibilities for knocking or pinging
1. Fuel Octane rating too low
2. Faulty spark plugs
3.wrong plug for the kind of service
4.Excessive carbon deposit on piston or combustion chamber
5. Ignition timing advanced due to faulty sensor inputs(MAP or Crank Position Sensor)
Hope this helps, you should pick up the Factory Service Manual and Parts Catalog and with all the sensors and stuff and EFI the Electrical Diagnostic Manual, which some guys that have em say it's excellent.:devil:

sorry.. bike is carb ..idles fine .. has 55k miles.. but only 30k on big boar.. i just recently put a dyna programable iginition on it there is a thump coming out of the carb.. and its got a minor back fire thru pipes now.. no exhaust leaks tho.?? hope this helps.

thanks for the info.. i just ordered the service manual.. might be a winter tear down yet.. :gah:

the charging system did crap out..then it killed the vss in the process.. ive done compression test and it came out 125 on one cylender and 130 on other.. but maybe i didnt check it properly.. i will check it again.. where is the BAS located? and is it possible that it maybe killed sensors when charging system failed?:witsend:

Did you try changing advance curves on the ign?? the 1st setting has a fast rise to full advance,the 2nd is a little slower,and so on. I set my evo on the 3rd. setting to take away the pings.
When the Alternator went south on ya ,it could be possible it surged and fried some sensors before it died, but you would think if that happened it would have blown some bulbs too:devil:

should be located in the TSSM/TSM:devil:

ping and knock

i have a 2000 night train with a 107 screaming eagle kit. it runs like s--t and is hard to start if the gas is of poor quality. i add lucas octane boost to help, but it's not a complete cure. i have been told that premium gas sits longer than 89 octane and loses it's octane rating. i have been told it would be better if i ran 89 and then added the booster. i haven't tried this yet.?? if i am lucky enough to get good fuel, no pinging and what a ride. if it is bad, i also get a vibe in the bike. good luck on good fuel. gabby:witsend: