Question about 2000 Honda NSR 125

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I have a pipe coming from the engine and when the bike is running it laeks gearbox oil. can you over fill it and thats an over flow pipe??? or is it something else?? please help. thanks. HONDA NSR 125

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Yes its an overflow pipe, its a breather pipe for the crankcasing as well, happened to me from putting to much oil in the gear box. should stop but to be sure keep and eye on the the level indicator on the gear box case.

Posted on Jul 20, 2010

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Posted on Jan 02, 2017

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What is the engine oil capacit for a 1976 yamaha DT 400 Enduro? what type of oil< and does the oil injection fill separately but with same oil?


The gearbox takes motorcycle gearbox oil 20w40, this can be the same as 4 stroke motorcycle oil, the capacity will be marked on the casing next to the filler 1.5l or similar. Dont use car oil or the clutch may slip.
The oil injection is separate and different , use 2 stroke engine oil. buy from a bike shop or some auto shops.
I had the 1977 model from new, one of the best trail bikes I have owned.

Jul 26, 2011 | Yamaha DT 360 Motorcycles

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I have a 1982 yamaha 650 seca turbo. I just bought it and was gone for two week on vacation. pon returning, my motocycle leaked gas from the exhaust pipes. So I cleaned my carb. Boiled it in lemon...


When the carburetors over flow enough to fill the exhaust, It is possible that the gas also went into the cylinder and flowed past the rings and into the crankcase. With the engine overly full of gas and oil you could easily pop a seal or blow out a gasket. Check your oil level. If it is too full , change the oil, it will not lubricate properly with all the gas in it. Check that your shaft seal has not popped out. Check the air filter, the breather may have blown oil and gas all over it when you started the bike. Empty your pollution tubes behind the motor( they will drain the air box). Get in the habit of turning your fuel petcock off when not riding. This gas flooding happens randomly in certain models but can happen to any one.

Sep 07, 2010 | 1981 Yamaha XJ 650

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Overfilled gear box oil now found metalshavings


According to the header on this thread, we're talking about a Sportster with an overfilled gear box, year model unknown. On a Sportster, the primary and the transmission (gearbox) are lubricated by the same oil.

I've seen this twice. Once was caused by a carburetor that needed servicing. It had leaked fuel into the engine and when started, the excess fuel was forced into the primary making the oil level in the primary/gearbox too high. When drained, you could definately smell the gasoline in the oil and the oil was much too thin.

On the other bike, the owner had a habit of filling the oil tank to the top mark prior to riding the bike. The oil stick is marked with two marks. The lower mark is "Full Cold" and the upper mark is "Full Hot". By filling the tank to the upper mark prior to riding the bike, he was overfilling the oil tank. He just happened to have a very tight fitting oil filler cap and instead of that blowing off when the oil expanded, the oil was forced into primary past the engine's sprocket shaft seal. As long as you can see the oil in the oil tank, it's safe to run the engine until it warms up. Top the oil level off only on a warm engine.

So, you must determing where the excess oil is coming from. If the correct amount was put in the primary but more was drained out, then something isn't right. Where did the extra oil come from? It had to come from somewhere and determining where it came from is the key to solving the problem.

Also, a SMALL amount of shavings adhered to the magnet on the drain plug is not uncommon. The shavings come from the primary chain mostly. As long as it's not an excessive amount or the shaving aren't too large.

If you have any additional concerns that I've not covered here, please repost being more specific if you can.

Good Luck
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Jun 12, 2010 | Harley Davidson XL 883L Sportster...

1 Answer

Hi--i have an 03 tm250 fourstroke enduro spec.kickstart only. does not have a dipstick but has a glass sightglass rightside of engine. also has what seems to be a oil level bolt near kickstart.. is the...


Hi, Peter engine and transmission share the same oil many riders are over filling their oil system because they do not know how to properly read their oil site glass. The following procedure works on nearly all 4 stroke engines but to be on the safe side you should always refer to your owners manual. Use your center stand if you have one.
1. Bring the engine up to operating temperature or let idle for 5 minutes.
2. Turn off your engine and let it sit for 2 minutes, this will allow the oil from the top end to drain to the bottom.
3. Hold your bike straight up or on the center stand and wait 2 minutes for the oil in the bottom of the engine to be level in the sight glass.
4. Your oil level should be between the top full mark and the bottom add mark.
5. Never over fill your oil system it will cause problems:
a. oil leaking out of exhaust pipes.
b. oil leaking out of breather pipe/hose.
c. oil carryover into the air cleaner.
6. Your oil site glass must never be completely full drain as necessary.
7. Your oil site glass must never be completely empty add as necessary.
For more information about your question and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
TM 250F
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TM RACING 250Fi EN Use And Maintenance Manual

Jun 06, 2017 | 2002 TM Racing E 250 4t

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Hey just need to know how much oil the gearbox and engine holds on me crf450 08. just to clarify the gearbox oil goes on the kick starter side and the engine oil on the gear lever side. also should i warm...


there is clutch oil witch goes on the right side and then motor oil witch goes on the left side.. you should run honda oils in that bike hp4 for motor side and honda clutch oil for the clutch its in a tall red bottel..
about the levels, on the motor side(left) use the sight glass and put it half way. on the clutch side use the small screw thats on the clutch cover for a drain fill it till it starts to come out..but the easiest way to do this is to go by the service manuel specs.. you can call your local dealership to get them also

Mar 13, 2010 | RTO Honda Crf450 R Motorcycle Dirt Bike...

2 Answers

Engine gets too hot after some running minutes. there is some white liquid over the right cylinder. Can it be water pump?


If the 'white liquid' is like a froth then it is probably water & oil mixed. This happens when there is water in the oil or oil in the water. The usual cause is either the mechanical oil seal behind the water pump leaking or the head gasket leaking. As the right cylinder is covered in this, it is most likely to be the head gasket.
Otherwise it could be that the 'white liquid' is coming from a leaking radiator. If the cooling system is filled with this froth then it wont cool the engine properly.

Hope this helps. If it does then please mark this as 'useful')
Ride Safe
Bike-Doc

Jan 29, 2010 | 2008 BMW F 800 GS

1 Answer

Change transmision oil


You don't say if it's auto or stick shift. So-

Auto. Start the engine until warm. Drive vehicle onto ramps, SECURE IT! front up, turn engine off. With engine warm, at the back of the gearbox is a drain plug (we'll deal with that first) Remove the plug and drain all oil out of the gearbox. On the bottom of an auto box there is a plate, if it is easily accessable remove the plate, taking care not to split the seal, Wipe off as much of the reidue as possible, then using a releasing oil, somthing like WD40, spray the inside of the plate and it disolves the final bit of gunk. Replace the plate, the plug, Wipe some clean oil on ALL surfaces that are touching, seals etc, and tighten. Under the hood is a dipstick, by the bulkhead, for the gearbox. Remove the dipstick, and with a funnel through the dipstick pipe, top up the gearbox with the CORRECT OIL until it touches the bottom of the stick, Start the engine and slowly, let the car run off the ramps. With the engine running, wait until up to temp, check your level again, it will have dropped, don't panic, then top up the same way until the oil is between the two marks on the dipstick.

NOW

Stick shift. the same as above up until I mention the plate. There isn't one! Remove all the oil, refit the plug. On the top of the gearbox, just off centre, is the re-fil nut. With the car on the ramp, refill with oil. The oil should have come with a flexi tube on top of the bottle, if not, use a funnel on a tube that fits into the nut hole on top of the gearbox, making sure you can access it though the engine bay to fill. Get someone to lie under the car so they can see when the oil comes out of the fill hole, that means it's full. Refit the filler plug, and reverse off ramps. There is no dipstick to check on a stick shift, you don't need it.

It sounds like a long job, but it'll take an hour tops!

Let me know how you get on, any further problembs let my know. Dave

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1 Answer

Suzuki bandit sticky gearbox


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Your bike is 18 years old and parts can be difficult to find. Your bike probably has an oil filter. If so, it desperately needs a new one. Google " vintage suzuki motorcycle parts " . I can not find a free service manual online. You may be able to buy one at www.repairmanuals.com

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in auto gearbox cars there is connection between gearbox and engine. what you connected is a vacuum pipe to vacuum capsule,it for gear changes, it seems it faulty.

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