WM, Workshop Manual, K650, K700, K950, K1250, 2001-06, Power ...

10
5
50
Fuel system
3
Combinations of carburettors, induction pipe, seals, screwdriver guides
K650 Active, K700 Active
Carburettor Induct. pipe Seal Insert, seal Screwdriver guide
HS175E 503 28 03-20 506 21 41-01 506 22 65-01 Black
Not compensated Black Rubber foam, bonded to cyl. housing
K650 Active II, K700 Active II
Carburettor Induct. pipe Seal Insert, seal Screwdriver guide
HS175F 503 28 04-03 506 21 41-01 506 25 34-01 506 25 33-01 Blue
Compensated, blue insert Black Moulded Blue
HS175G 503 28 04-04 506 21 41-01 506 25 34-01 506 25 33-01 Blue
Compensated,blue insert Black Moulded Blue
Small needle valve
HS175G 503 28 04-08 506 26 72-01 506 26 85-01 –
Comp., green insert, EPA Blue Moulded
HS175L 503 28 04-15 506 31 16-01 506 26 85-01 –
Comp., yellow insert, EPA Yellow Moulded
Tower model
HS175L, 503 28 04-16 506 31 16-01 506 26 85-01 Grey
Comp., grey insert, EPA Grey Moulded
Tower model
There are different sizes and versions of carburettors on the different models, but in
terms of servicing they are all treated in the same way.
Dismantling of the
carburettor
Remove the screw driver guide and cover
for the metering diaphragm.
Check the diaphragm for damage.
Replace if necessary.
Dismantling of the
carburettor
Remove the screw driver guide over the
adjusting screws.
Remove the 4 screws for the metering
diaphragm cover.
Lift off the compensation insert and the
diaphragm.
Check the diaphragm for holes and wear.
Replace the diaphragm if necessary.
Pressure test the metering system.
Connect pressure tester 501 56 27-01 to
the fuel pipe nipple.
Submerge the carburettor in a basin with
petrol to simplify inspection for leaks.
Pressure test with 0.5 bar.
No leakage is permissible.
30
200
150
250
15
100
300
350
50
400
0
20
0
25
35
40
60
45
55
501 56 27-01
27