Question about Kymco Stryker 125 Motorcycles

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Oil was gushing out the overflow pipe connected to the top of the engine that is routed to the back of the bike towards the rear wheel. Amature rider that kept it in 1st gear the whole time.What could be the problem? It is a Kazuma Viper 110. The bike isn't listed below, therefore I have chosen randomly.

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Your bike may need new piston rings because of the over revs on the motor.Hope this helps

Posted on Aug 22, 2010

  • gregory_kant Aug 22, 2010

    Does anyone know where I can find a downloadable repair manual for the Kazuma Viper 110?

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Posted on Jan 02, 2017

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Have an ss carb e type an a single outlet pingel pepcock have a vent line from carb what do I do with the vent line


Here's S&S's manual for the Shorty Carbs (both E & G):

http://www.sscycle.com/files/7913/7033/9802/51-1012_carb_e__g_series_shorty_carburetors_installation.pdf

On page "10", it states, "Slip fuel overflow hose onto fitting on carb bowl and neatly route behind pushrod tubes. On a big twin model, hose should go toward back
of engine. On a Harley-Davidson Sportster model, hose should go toward front of engine. Exit end of overflow hose must extend down
below engine and away from exhaust pipes."

This is the only "vent" hose (actually, a fuel overflow hose) that I know of.

Aug 24, 2014 | Motorcycles

1 Answer

1973 Honda CB 200 oil overflow


Hi, Anonymous if you are experiencing excessive oil coming out of the crankcase breather or air filter please drain all engine oil and replace half of the same oil that comes out. Many riders are overfilling their oil system because they do not know how to properly read their oil site glass or dipstick. The following procedure works on nearly all 4 stroke engines but to be on the safe side you should 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 or on the dipstick.
4. Your oil level should be between the top full mark and the bottom add mark.
5. Never overfill 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 or empty drain or add oil as necessary.
7. Your oil dipstick must "NEVER" be over the full mark and should never be below the add mark drain or add oil as needed.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
cb200 oil out of breather tube
Oil leaking from overflow tube
http://dannix.net/sites/default/files/attachments/12583929-Honda_Cb200_Cl200_Workshop_Service_Repair_Manual_Download.pdf
http://www.partsfish.com/page/oem-parts-for-honda
http://dannix.net/sites/default/files/attachments/CL200_Owners_Manual.pdf

Oct 29, 2013 | 1973 Honda CB 200

1 Answer

Oil is blowing out of tube into filter housing on my 89 Harly soft tail. Bike hasent been started in awhile.is there a check valve? Any info. Thanks.


Yes there is a check valve but it's in the oil pump. This is a problem with the pre-2000 Softails. The oil tank is mounted higher in the frame than the oil pump on the engine. When the bike is allowed to sit for an extended period of time, the oil seeps past the check valve ball in the oil pump and settles in the engine cases. We call this "oil sumping". When the engine is restarted, the oil pump scavenger gears simply cannot pump the excess oil back to the oil tank fast enough and it is blown out of the crankcase vent tube. Since the EPA requires that vented crankcase pressure be cycled through the engine to be burned, the crankcase vent tube is connected to the backside of the carburetor backing plate. There are baffles in the tube but they only work for oil mist. The results is that your air filter gets filled with oil when you restart the engine after a lenghty downtime. Most riders will disconnect the tube from the backside of the backing plate and plug the hole in the backing plate. Then they install a simple hose about six inches long or so to the nipple that comes out of the engine cases and run it back towards the rear of bike underneath it. Some guys will put a small crankcase breather on the end of the hose as well. This way, the oil will go on the ground and you can clean it up. I usually slide a shallow pan under the bike before restarting one that has sat for a while. Avoid "topping off the oil tank" before restarting a bike that has sat for a while. Check the oil level and as long as the oil is visible on the dipstick, restart the engine and check the oil level when the engine reaches operating temperature. Harley improved on this problem in 1993 when they went to the "head breathers" where the crankcase vents are located in the cylinder heads.

Good Luck
Steve

Aug 21, 2011 | Harley Davidson FXST Softail Standard...

1 Answer

I have a cagiva roadster 521 1994 there is two small pipes not fitted on carb cud you send me a picture or explain were they go to or from.... the spare pipes are very small there at the top...


G'day.
We don't get your bike here in Australia but if the pipes your talking about are clear or semi-clear then they will be overflow pipes in case the bike falls over.- these are often the vent for the fuel bowl too.
Then they don't connect to anything.
You usually rout them down & to the back of the carby & they slot down the back of the engine-commonly between the engine & swingarm pivot.

I hope this helps.
Kind regards Andrew Porrelli

May 20, 2011 | 1994 Cagiva Roadster 521

1 Answer

Do i have to leave my bike on the kick stand to add the oil? or do i have to stand my bike up? and what should the tire preasure be on the front and back tires?


On your Sportster, leave the bike on the side stand to check your oil. Now there are two marks on the stick. The top mark is "FULL HOT" and the lower mark is "FULL COLD". Do not overfill. As long as the oil is on the stick, start the bike up and allow it to warm up. Once warm, check the oil. NEVER add oil to a cold engine. Why? Because when Harleys are allowed to sit for a while, the oil seeps past the check ball in the oil pump. This allows oil to pool in the crankcase. If a quart of oil seeps past this ball and you check the oil before starting the bike, it'll be a quart low in the tank. But that quart of oil may be in the crankcase. When you start the bike up, the oil pump pumps the oil out of the crankcase and now suddenly, you're a quart overfull. We're talking a big mess now. So, as long as you know you've got oil in the engine, start it up and warm the engine before adding oil.

Tire pressure should be 30 psi in the front tire, 36 psi in the rear with a single rider, 40 psi with two riders.

Ride Safe
steve

Aug 09, 2010 | 2006 Harley Davidson XL 1200 L Sporster...

1 Answer

I have a 2009 Harley Davidson Nighttrain which I am changing oil in and I found what seems to be at least 2 drain plugs for the oil. Is this right? One was on the frame back towards the rear tire under the...


There are indeed two drains under the bike. One is for the engine oil and one is for the transmission lubricant. Since your bike is basically a Softail, the one your looking for is the one on the frame back towards the rear tire under the pipes. Follow the pipe upwards and see if it goes to the oil tank. This will verify that you have the correct drain. Just loosen the drain plug and let a drop or two of oil come out. It should be black. If it's clear and clean looking, it may be your transmission lube but I'm sure if your bike is a Softail model, this is the drain you're looking for.

Good Luck
steve

Aug 05, 2010 | 2001 Harley Davidson FXSTB Night Train

1 Answer

Rear wheel not centre of frame on harley davidson 09 low rider (dyna) have checked with manual and had to adjust top engine mount, fixed slightly still out by over 10 mm after loosening front and rear...


The easiest way to check rear wheel alignment on a Dyna is by the two little "witness marks" on the rear swing arm. These two marks are just forward of the axle. One on each side of the swingarm. Measure from the mark back to the center of the axle on each side. The distance should be the same with the proper final drive belt tension.

As for the rear wheel being "centered" with the frame, the only way to check that is to take the fuel tank and rear fender off, stretch a string from the center of the steering head along the frame on back across the rear wheel. Simply looking at the way the wheel is positioned in the swingarm may be deceptive. The swingarm may not be symetrical due to the necessity to clear the final drive pulley and such. The engine alignment shouldn't have anything to do with the rear wheel alignment.

For something as serious as wheel alignment within the frame, I'd take the bike to a dealer somewhere and have them check it out. On some bikes, there is supposed to be an offset betweent he front wheel and the rear wheel. Use a piece of straight piece of square aluminum tubing to check wheel alignment.

Nov 02, 2009 | 2003 Harley Davidson FXDL Dyna Low Rider

1 Answer

Are '85 Lowriders wheels 16inches x 3 inches standard?


I believe you bike is an FXSB. The Dyna Low Rider didn't come out until 1993 best as I can remember. The difference is the rubber engine mounts. The FXR low rider had the small rubber front mount and the Dyna low rider has the large front engine mount.

On either bike, the wheels were not the same size front and back. Seems like the rear wheel was an 16" and the front was a 19". A phone call to your local Dealer will get you the answer. Or, you could check out http://www.bikez.com/motorcycles/harley-davidson_fxsb_1340_low_rider_1985.php

Oct 05, 2009 | Harley Davidson FXDL Dyna Low Rider...

1 Answer

Don't know where pipes go


you should have 2 vac pipes which go to 2 mounts under the petrol tank the other 4 should go down the back of the airbox towards the swingarm.

Apr 13, 2009 | 2000 Yamaha XJ 900 S Diversion

1 Answer

Oil pipe


iya if its the pipe im thinkin you dnt connect it mate its for your overflow

Apr 07, 2009 | Aprilia Tuono Racing Motorcycles

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