WAYWARD 1998 944SS - NEEDS HELP

Started by Brid, June 20, 2016, 11:24:18 AM

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koko64

Order some 50 and 52 slow jets and 165s from Powerbarn or Sudco.  Usually the 60 slow jets are too rich on the 41s with some exceptions.
2015 Scrambler 800

koko64

Only downside to these carbs is no choke. Accelerator pump squirts to prime and a smidge of throttle to start. In cold weather the pump squirts increase. The heat there at present is a factor but it should be harder to start without pump priming.
2015 Scrambler 800

koko64

Fuel tap under the tank and mains easily accessed via bolt cap on float bowl as a race carb should. Very handy. Catch the fuel in a speay can lid.
2015 Scrambler 800

Brid

OK Koko64, gotcha! Just put the 160 mains in it, but it's not even getting onto the main before its 'burp'. I'll order jets today, and see how that works. I roadraced for many years, and am very familiar with Mikuni VM Roundslide carbs (have stacks of jets/needles/parts) so I am totally used to jet changes. That was usually on bikes I built though, where I had a bit more of a say in how easy it was to get to the carbs  [thumbsup] Just like the VM's though, these FCR's can feel like they are lean, when in actual fact they are fat, as it seems the 60 pilots are too much (on the road, not necessarily on the lift)

Speeddog

Keep in mind that the OEM fuel valve on that SS tank is no longer available, at least here in the US.
They've never struck me as being particularly robust.

Figure out a tool that will allow you to reliably and repeatably adjust the airscrew by only taking the air filter and lid off.
You may need to drill out the hole in the air horn a bit.

Oh, and you have my heartfelt condolences on your previous BSA affliction.
I've heard that it's nearly incurable, and no amount of therapy or self-medication seems to help.
You're a very lucky individual to have survived and gone on to lead a what appears to be a normal life.
- - - - - Valley Desmo Service - - - - -
Reseda, CA

(951) 640-8908


~~~ "We've rearranged the deck chairs, refilled the champagne glasses, and the band sounds great. This is fine." - Alberto Puig ~~~

Brid

Quote from: Speeddog on June 22, 2016, 03:00:45 PM
Keep in mind that the OEM fuel valve on that SS tank is no longer available, at least here in the US.
They've never struck me as being particularly robust.

Figure out a tool that will allow you to reliably and repeatably adjust the airscrew by only taking the air filter and lid off.
You may need to drill out the hole in the air horn a bit.

Oh, and you have my heartfelt condolences on your previous BSA affliction.
I've heard that it's nearly incurable, and no amount of therapy or self-medication seems to help.
You're a very lucky individual to have survived and gone on to lead a what appears to be a normal life.
Hey Speeddog, At least I made history with the B50, being the first person ever to put a single 'on the box' at Daytona in Sportsman 500 (in 04 I think) - with a 3rd. The disease is even worse than that though, as I also raced a Triton I built (Manx Norton rolling chassis, with pre-unit 650 Tri motor & Norton gearbox) to many successes (including 4 wins at Daytona) culminating in a National title in 04, in Classic 60's 650. We were getting an honest 52RWHP from that motor (honest meaning the Dyno belonged to Doug Chandler, and wasn't set up --- errr, optimistically!) Just to make matters worse, I raced an 88 Yamaha FZR1000 in the Isle Of Man Senior Newcomers Manx GP - in 88, finishing 17th from 46 starters. Still, I came home with a finishers medal!! I was sponsored by (amongst others) Works Performance Shocks, and got to race (REAL) Manx Nortons for owner Gilles Vaillancourt RIP.
So, I know all about the 'disease'!! I officially retired in 07, but still get a few laps in occasionally, at Harris Hill Raceway here in Texas - usually on a borrowed Kawasaki 300 (AAGGHH the Japs bikes!!)
I can easily get at the slow air screws (got the Sudco conversion) with just the air filter off.

Pic is from Thunderhill in CA, on my Triton.
PS- Thanks to all for sound suggestions!

koko64

2015 Scrambler 800

Brid

Quote from: koko64 on June 22, 2016, 04:46:38 PM
VMs and Amals. ;D
Hey now - I never mentioned Anals  [laugh] Although their new Premier series are a whole lot better than the old ones, and I've sold/fitted quite a few. If you look at 'Customer Bikes' - West Coast Racing (Me!) on the British Cycle Supply website, you'll see a pair of Premier's I retro fitted to a Honda 305 (bike runs great with them!) I've had huge success with VM's, so no bad words - please  ;)
PS - Jets ordered from Sudco for FCR's

koko64

I cut my teeth on Amals, but it seems VMs were the savior of Amal equipped bikes. They are even making new Monoblocks (I fitted some to a '66 Lightning awhile back). [thumbsup]
2015 Scrambler 800

koko64

2015 Scrambler 800

Brid

Hey Tony, Been out fishing for 4 days, and now back to the Salt Mines! Got jets from Sudco, and some richer needles (than the EMT's) A cursory look at the horizontal inlet valve (only one accessible without some major dismantling!!) shows opener at a fat 0.005", and closer about 0.03", so I just got a shim kit, and will get the valves all sorted out in the next couple of days. Checked the cam belts, and timing/belt tension good. I need to get all the 'physical attributes' perfect before going any further on this rascal  ;) It's been getting in the way of regular service work, so I'm a bit caught up with that (once I get carbs back on/synced on a VF750R I have in!) and the 'Ducklet' will be back on the lift Monday.

koko64

2015 Scrambler 800

Brid

I go the extra mile with bench syncing them, as the hot syncing is a nightmare I have had --- more than I care to talk of  >:(
the FCR's on the Duck were nigh on perfect on the Morgan Carbtune Pro - straight from Ultrasonic cleaning, and bench sync. I truly need to get this 'problem' put to bed, and will definitely be deep into the tyke come Monday. More progress reports soon!

koko64

I raced three VFR400/NC30's over the years in Formula 400. My fat hands struggled with their nooks and crannies. [laugh] Got a few 750s that come in, a smidge better (less worse). ;D
2015 Scrambler 800

Brid

If you check my WCR FB page, you'll see an NC30 engine in for valve adjustment -- JUST the engine, on the bench, and so easy to work on!! Cute bikes - I like them  [thumbsup]