Search found 7 matches

by NHmotocrossJD350b
Tue Sep 27, 2016 7:03 pm
Forum: Late model JD crawler technical support
Topic: FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb
Replies: 14
Views: 10828

Hey Mark, Jody the motocross family from NH again with the 350b clam-shell crawler. . So we got to racing all summer and Loretta qualifiers and regional s and just now finally ripped into this motor to investigate. Do you still have new motors or parts to fix mine? So it looks like one of those big ...
by NHmotocrossJD350b
Tue Mar 08, 2016 10:44 am
Forum: Late model JD crawler technical support
Topic: FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb
Replies: 14
Views: 10828

Also you guys know any reputable refurb engine companies to check with to weight out replacement or upgrade price options?
by NHmotocrossJD350b
Tue Mar 08, 2016 10:10 am
Forum: Late model JD crawler technical support
Topic: FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb
Replies: 14
Views: 10828

What is the best way to raise that boom? As is all hooked up and a big comalong and put stands under it ? Or do I need to detach the bucket to lighten it up etc?
by NHmotocrossJD350b
Tue Mar 08, 2016 10:03 am
Forum: Late model JD crawler technical support
Topic: FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb
Replies: 14
Views: 10828

Thanks guys. Yeah seams like a shame as hydraulics and clamshell ets is wo perfect for grooming our track and well seemed alot cheaper then a track steer but I guess I got what I pad for. Only have $3k into the machine so far. I'm going to dig into it this weekend and get the front off at the very l...
by NHmotocrossJD350b
Tue Mar 08, 2016 8:14 am
Forum: Late model JD crawler technical support
Topic: FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb
Replies: 14
Views: 10828

Oh boy, So assuming the worst. Can I even get parts for a rebuild on this ole girl or is this wishful thinking. I'm not afraid of tearing her down and going through it if its doable and reasonably available parts etc. I guess best bet is to tear the radiator, fan, waterpump and all that off the fron...
by NHmotocrossJD350b
Mon Mar 07, 2016 6:56 pm
Forum: Late model JD crawler technical support
Topic: FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb
Replies: 14
Views: 10828

Can you see the images now? So When the shaft broke you can see by the first image it even broke that mounting plate/flange where the pump bolts to the gear area. I'm thinking maybe the gear broke also to cause such a hard impact to break that flange? http://www.vfxwebdev.us/vfxdirect/wp-content/upl...
by NHmotocrossJD350b
Mon Mar 07, 2016 4:43 pm
Forum: Late model JD crawler technical support
Topic: FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb
Replies: 14
Views: 10828

FUEL INJECTION PUMP Shaft or Gear Broke - 1972 350bb

I recently purchased my 350bb with the 4in one bucket from and 85 year old original owner. It had been sitting for a year or so due to his health. I purchased it for grooming our motocross track which is primarily sand and wood chips in a pine grove , no rocks etc. so pretty light on the workload on...