General BMW vintage discussion thread (As well as some photo's of mine)

[RedWolf]

RedWolf, ek kon nou eers die kiekies sien. Bliksem, sy is stunning!!!        

En goed om te hoor sy het nie jou Zaar drome beeindig nie....     

Dankie Brakenjan, ja ek ruil haar in n oogwink vir n mooi Zaar.. 
Niks maar niks kom vir my eers naby n xr650r nie...

[RedWolf]

ok, ordered the clymer workshop manual as well as the Bing carburettor manual, so once delivered the perfect making can start. Next things to be ordered will include a original bmw toolkit, handpump, new set of original stainless steel bolts, some gaskets (for carbs etc..), carb service kit and new spark plugs.

[White Rhino]

Redwolf, stunning bike, pics and mods

[RedWolf]

So from a cosmetic point of view, I think my bike looks great.., but mechanically she needs a tune-up... She starts fine, idles fine, rides ok, but when you open the throttle full she pulls dead.. when you give a bit of throttle, speed picks up "gracefully.."

So experts help please, who can help me to get her running optimal again? I assume everything is carb related, but can it also be valve clearances??

Also, she can't run above 100km/h at this stage so are really down on power..carb???

Freeze, will you be able to dyno her if I bring you a carb service kit for the bike??

Any one have any feedback on this regarding performance? Anyway, I ordered the workshop manual and carb manual, so will try and solve it myself, but if someone can help, please point me in the right direction...

[ROOI]

I will get u the phone number I promised 

[RedWolf]

I will get u the phone number I promised 

Thank you

[RedWolf]

I need help..

I set the gap distances on the inlet and outlet valves, set the timing, filed and polished the points, set the gap on the points, set the gap on the spark plugs, cleaned both carbs, set the carbs, cleaned the airfilter, cleaned the fuel petcock and tank,BUT the bike still doesn't have oomph in the upper revs. Bike idles fine, rides fine in lower revs, sounds fine, but for some reason 'starve' in the upper revs. Bike gets enough fuel flowing from the petcock on both outlet pipes.

So my question: Whats wrong? Is it:
a) differential timing issue, meaning the lobes on the advance hasn't worn the same, giving a differential difference in points   closing on each piston on each 360 degree flywheel rotation?

b) air/fuel mixture setting?

c) something else?
 

[RedWolf]

I need help..

I set the gap distances on the inlet and outlet valves, set the timing, filed and polished the points, set the gap on the points, set the gap on the spark plugs, cleaned both carbs, set the carbs, cleaned the airfilter, cleaned the fuel petcock and tank,BUT the bike still doesn't have oomph in the upper revs. Bike idles fine, rides fine in lower revs, sounds fine, but for some reason 'starve' in the upper revs. Bike gets enough fuel flowing from the petcock on both outlet pipes.

So my question: Whats wrong? Is it:
a) differential timing issue, meaning the lobes on the advance hasn't worn the same, giving a differential difference in points   closing on each piston on each 360 degree flywheel rotation?

b) air/fuel mixture setting?

c) something else?
 

All jets, pin positions is according to the owners manual, so probably not the problem.

[Chris_M]

RW perhaps make vid clip and post it on a bike specific forum where the guys are familiar with those bikes someone will know the solution.?

[Welsh]

Didnt the bike come up from the coast, maybe it needs rejetting for this altitude?

[cone]

check out the slash2 forum. Wealth of information available.

[madmike999]

RW you have PM!

[RedWolf]

Damn.,, I actually miss this bike..

[Bill the Bong]

I need help..

I set the gap distances on the inlet and outlet valves, set the timing, filed and polished the points, set the gap on the points, set the gap on the spark plugs, cleaned both carbs, set the carbs, cleaned the airfilter, cleaned the fuel petcock and tank,BUT the bike still doesn't have oomph in the upper revs. Bike idles fine, rides fine in lower revs, sounds fine, but for some reason 'starve' in the upper revs. Bike gets enough fuel flowing from the petcock on both outlet pipes.

So my question: Whats wrong? Is it:
a) differential timing issue, meaning the lobes on the advance hasn't worn the same, giving a differential difference in points   closing on each piston on each 360 degree flywheel rotation?

b) air/fuel mixture setting?

c) something else?
 

I would say magneto timing.  Clymer manual has a section on setting it up

[gser]

 Dit lyk my of ek 'n R50/2 die einde van die maand gaan haal , so n paar blokke van my af !
 Nog oorspronklik ! Yippie !
 'n Ou Pta spietkop ene.