vespa maintenance

Hello, this Article is mostly meant for older Vespa Scooters,

maybe there is some Info usefull for newer ones too.

Please excuse the really bad English, it is automatic translated from German.

Body

should you decide painting your body, here a few assistance: If you divide the scooter into its individual parts, the compilation of the individual modules should be documented ( fork with bearings, guidance heading with gas pipe / switching pipe, links of the bowden cables at the guidance heading / engine, links of the wiring harness etc. ). The better you do this work the more exactly / easily you will do the assembly. If the scooter is divided, you may will work on stocktaking that sections which can be replaced ( eg. fragile wiring harnesses, worn bowden cables ). If the lacquer of your scooter still is in good status or if the scooter has only few rust places, only grind the scooter ( granulation 100 - 180 ) and paint again thus will save you the priming / filler (smaller costs / expenditure of time). The body / lacquer is in bad status recommends the body to be sand-radiated itself. The advantage, the body gets it stainless back (and much laborious work is saved for you). The lacquer finish do it yourself or have it done by a drawer ( costs between 300 - 1000 DM depending upon quality ). Got the painted body back you may begin with reconstruction. Make sure you have all sections for the setting up ready ( missing parts are very depressing, while working ). By the way! Old sections restoring (fe. rims, brake drums, forks) is often cheaper and more satisfieing than buying everything new. Does not apply to safety-relevant / technically important sections such as brake linings / engine mountings / rotary shaft seals. New bowden cables / wiring harnesses are to be pulled most simply through the framework, if one fastens the new Cables ( cut to length exactly! ) to the old bowden cables using strong tape and then carefully pull through (from the guidance heading to the engine!). Bearings of the fork cover well with fat. With the installation on its note that the fork is low-friction however no axial play indicates. Fixedgone gas / switching pipes to divide, release with sandpaper from rust and dirt. Coat thinly with fat when assembling and checking for operation smoothness. One can let rusty tanks filled with sand through-vibrate a certain time ( beforehand gasoline cock to develop possibly replace ) in a concrete machine ( Close the gaps with cloths ). Old hoses and cracked tires have to be replaced in any case!

Engine repair

Your engine runs, very well. You can limit yourself to a general check. Check of the axial play at the fly wheel / rear wheel (a small axial play approx. 2 mm is normal). Oil level check or change of the engine oil. Check the ignition system (evtl. Circuit breaker distance control or replace), evtl. Change of the spark plug (pay attention to correct thermal value). Adjust the circuit breaker ( 0.4 - 0.6 mm ) if available. To worn out cables pay attention, possibly replace (new cables solder on) or provisional with tape a repairing! Check the clutch with inserted engine (if the clutch slips while accelerating, it should be replaced). If you have basic knowledge of engines, do it yourself, if not ask a friend for assistance or call a specialist advice. Dirty carburators become developed, completely dismantled ( nozzles / needles / seals ) and over night inserted into gasoline. Thereafter, if there is a possibility blown out with compressed air and again installed ( notices where each components belong! ) Old Brake Linings can be reused grinding them with Sandpaper, as long as the Lining is thick enough ( min. 5 mm ). Please pay attention to the correct installation of the Linings ( do not inhale the abrasive Dust, that contains Asbest with old Linings ). If you decide your engine completely to be restored ( for what reason ever ), perhaps the question arises whether the engine is done original or tuned. For original engines surely stand the longer maintenance periodes, smaller operating cost and a driving without fear of police. Tuned engines are surely the highlights of each scooter, regarding driving fun ( in addition, appropriately if one drives often in partner operation ). Tuning for scooter is at present so various that an exact listing would not make sense. Get Information at the Scooter Shop of your selection or ask your friends which experiences they have made. If you decide to tune your engine, consider yourself exactly what you want ( road-suited or bottomend tuning ). Check your budget and which risk it to be received. Crankshafts should be dismantled with a rubber hammer or with help of a wooden board and also installed ( never strike directly on the thread ). Before the assembly put the crankshaft in the ice drawer to freeze and heat the bearings with a gas burner. Exactly the same way you can do with restoring the engine muddled ( bearings in the ice drawer / engine halves to warm up ). Caution! Do not heat up engine block thoroughly. New clutch liners can be inserted one night into engine oil, then install. Evtl. have Oil supply openings in the linings re-cut. Rushing over channels on the appropriate cylinder adapt ( use file or flexible wave for drill press ). Work on the Inlet Port in the same way.

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