Frame and Ancillaries

F

SECTION F10
REMOVING AND REFITTING OIL TANK
Prior to draining the oil tank, take the motorcycle for a short run to warm the oil which should then flow more freely. Have available a receptacle of sufficient size to receive the contents of the oil tank. Remove the seat after releasing the large knurled side knobs.
Pre 1971 Roadster oil tank
Due to the lack of a drain plug the large hexagon oil tank filter must be removed and the oil pipe union lifted away to drain the oil. The position of the filter boss makes it desirable to place a cardboard "chute" below the boss, thus directing oil straight into the drain tray and minimising mess. Proceed as follows:
1	Remove the oil feed pipe nut and filter and drain the tank.
2	Remove the fuel tank, carburetors and manifolds as in Section F9 and E2.
3	Dismantle the air filter and remove the element (Section E10).
4	Disconnect the rear chain oiler pipe from the oil tank.
5	Disconnect the crankcase breather from the oil tank.
6	Detach the oil return pipe union from the tank.
7	Remove the two bolts and locking plate securing the air filter backplate portion of the oil tank to the battery carrier and collect the spacer.
8	Remove the nut, bolt and washer securing the oil tank top bracket to the frame gusset.
9	Remove the oil tank forwards, bottom end first.
10	Reassembly is a reversal of the removal procedure, but if necessary use new oil scaling washers at both sides of the oil pipe unions. If the motorcycle is ready for service when the oil tank is refitted, fill to the level indicated on the dipstick.
Pre 1971 Fastback oil tank
1	Remove the oil tank drain plug and drain the oil into the receptacle previously obtained.
2	Remove the left side accessory cover by releasing the Rotolok catch and lifting the cover off the rear mounting pegs.
3	Part the rear chain oiler pipe by compressing the spring clip and pulling the pipe clear of the felt cartridge (in front of the battery).
4	Remove the oil tank breather pipe and air filter breather pipe.
5	Remove the oil feed and return pipes from the oil tank.
6	Remove the top front and top rear nuts securing the tank to the flexible mountings.
7	Lift the oil tank upwards, clear of the bottom rubber mounting and pull the bottom of the tank out so that the filler cap clears the frame.
8	Reassembly is a reversal of the foregoing.

1971 and later models
A common oil tank is used on all later models and the following instructions apply to all editions.
1	Remove the two hexagon headed screws and washers securing the right hand side panel.
2	Remove the drain plug and allow oil to drain into the receptacle previously obtained.
3	Part the rear chain oiler pipe by compressing the spring clip and pulling the pipe clear of the felt cartridge.
4	Pull the crankcase breather pipe and oil tank breather pipe away from the oil tank.
5	Remove the large hexagon headed oil tank filter at the rear of the oil tank.
6	Pull off the oil return pipe from the stub at the rear of the oil tank.
7	Remove the nut and washer securing the oil tank to the top rear mounting.
8	Slacken only the nut on the top front flexible mounting (the bracket is slotted and will then slide clear).
9	Using an extension socket wrench, remove completely the bolt fitting through the bottom mou nting into the base of the oil tank.
10	Pull the bottom of the oil tank outwards so that the filler neck clears the frame, slide the tank forwards and outwards, lifting the bottom clear first.
11	Reassemble as a reversal of the foregoing. Take care not to omit the spacer from the bottom mounting rubber.
SECTION F11
L.H. ACCESSORY AND R.H. SIDE COVERS
The left hand accessory cover is retained by a Dzus fastener at the top front of the cover. To remove, pull and turn the ring of the fastener. The cover is then pulled away from the frame at the front and lifted off the two rear pegs. On all but certain Interpol models, the cover can be lifted clear. On Interpol models with aiternating horns, the horn relays and control boxes are located within the accessory cover and the cover cannot be removed completely without disconnecting the horn wiring.
Pre 1971 Fastback and Interpol models had no right hand side cover, the oil tank itself being styled to match the left cover. Roadster models and all 1971 and later models have a right hand side cover secured at the top by hexagon headed screws and washers, and supported by an extension with rubber grommet at the battom, fitting inboard of the footrest support plate. Note that the securing screws are both the same length on Fastback, Fastback L.R., Interpol and Interstate, but that the rear scrow is longer on other models.

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