How to do a full service on a Honda NSC 50 Vision 4 stroke and similar scooters / mopeds, see chapters below. The 110 cc version of the Honda Vision is to a large extent of the same design. Fluids are replaced in the same way and the fluid volumes and types are the same.
Link to drive belt replacement: • HOW TO REPLACE A SCOOT...
Link to front brake pads replacement: • REPLACING FRONT BRAKE ...
Link to rear wheel removal: • HOW TO REMOVE A SCOOTE...
Link to fork oil and seal replacement: • HOW TO REPLACE A FORK ...
Where not stated otherwise, 4 000 km service intervals apply for this scooter.
This little engine has a timing chain and accordingly no timing belt that would need replacement. A timing chain should need no service as long as the engine oil is changed as recommended. (And the design as such is free of flaws.)
Content:
1:30 Which oil to use? Honda recommends motor cycle oil according to JASO T 903 class MB, 10W-30. All Honda dealers I've talked to use MA or MA2 10W-40 instead, still according to the same JASO standard. I choose to use a fully synthetic oil of highest quality and meeting a JASO T 903 MA2 standard.
3:00 Transmission oil change. Since a motorcycle oil also lubricates the motorcycles transmission, I was advised to use the same oil in the transmission / final drive. Volume is around 0.15 liters. Keep bike level and fill until the filling hole floods.
5:45 Brake fluid change / bleeding. I used a DOT 5.1 brake fluid that I use in most of my cars. It is stated to be mixable with DOT 3 or 4 that Honda recommends. Replace the oil every second year.
15:00 Spark plug gap should be between 0.8 and 0.9 mm. If the gap is over 0.9 mm, tap the side electrode gently so the gap decreases. Tighten the plug by turning it only 1/8 of a turn after contact.
A new plug for the NSC50, if being the recommended NGK CR7HSA-9, should be tightened 1 turn after contact, (1/2 turn for the NSC110 with NGK plug) then released and tightened as a used plug.
The NSC110 is recommended to use NGK CPR8EA-9 for normal use. For long term high speed use the NSC110 is recommended to use NGK CPR9EA-9 instead.
19:00 Valve clearance. Both valves should on a cold (below +35 deg C) engine be between 0.18 and 0.22 mm. If adjustment is needed, the nut tightening torque should be 10 Nm.
The engine can be turned manually after either removing the fan cover or the belt cover.
26:30 and 33:30 Air filter and crank case "ventilation" tube. The air filter only needs replacement every 16 000 km. It should not be cleaned using high pressure air. Larger dirt particles should only be blown away gently, never force anything to go through the filter.
The crank case ventilation tube should be kept clean so one can see that there is no water collected in it. If water stands in the tube it should be removed as soon as possible.
31:00 Variator and transmission belt cover. The belt nor the rear mounted clutch have fixed service interval mileage. The belt should be inspected and replaced if it shows sign of high wear or cracks, or if drive and clutch slip is not normal. If he drive belt is narrower than 18 mm, it should be replaced. Here is a video of how to do that (same link as above)
• HOW TO REPLACE A SCOOT...
34:45 Front / head light unit. This part covers the right hand brake fluid container.
36:36 Front cover. This part covers the left hand brake fluid container and the 12 V battery.
39:00 Rear view mirrors.
39:30 Engine service cover.
40:40 Saddle / seat unit and fuel tank cover.
42:50 Luggage holder.
43:20 Engine oil and oil filter / strainer.
Replace engine oil yearly even if not reaching the 4000 km service interval limit.
As can be seen this engine has no proper paper filter, only a metal strainer. Like that it is extra important not to neglect the oil service intervals.
Oil volume. 0.8 liter when cleaning the "filter". 0.7 if only the oil is replaced.
Oil plug tightening torque, 24 Nm. A new washer is recommended to be used.
Oil filter cover tightening torque, 20 Nm.
Hoojies Garage
( Honda Spacy is the name of Honda Vision on some markets)
Негізгі бет Honda NSC50 Vision Service. Engine oil & filter. Valve adjustment. Spark plug. Brake fluids.
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