Question about 1979 Yamaha RD 250

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RD 350 ypvs F2 How to remove a seized powervalve

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  • Yamaha Master
  • 42,946 Answers

Hi, Paul for this scenario you will need your service/owners/ manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
RZ350 Power Valve Removal
RZ350YPVS
http://www.custgp.com/a1manual2/Yamaha%20RD%20250%20400-1976%20Service%20Manual.pdf
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-rd-owners-manuals

Posted on Dec 13, 2016

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Posted on Jan 02, 2017

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SOURCE: rd 350 ypvs f2 fuel tap will not turn off

Hi,

If the tap is leaking, it will have to be replaced.
The seal kit for the tap is not available from the agents.

Good luck

Jon

Posted on Mar 09, 2009

bazzz7071
  • 342 Answers

SOURCE: Hi How do I go about removing the silencers

near the end of the mufflers there one screw remove it take pair of pliers grasp the small bar in the end of the muffler and remove the baffle.

Posted on May 14, 2010

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1 Answer

Rd350 ypvs adjust power valve


Hi, Craig for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
RD350 YPVS POWERVALVE
RZ RD 350 Misc 2 Stroke Tech BBS
Yamaha 1970 HS1 Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-rd-owners-manuals

Dec 26, 2011 | Yamaha Motorcycles

1 Answer

What height should the float levels be set to on my 350 ypvs


Hi, Rpbpaving for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
float height adjustment
http://www.dotheton.com/forum/index.php?topic=61093.0
Yamaha 1970 HS1 Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-rd-owners-manuals

Aug 03, 2011 | Yamaha RD 350 Motorcycles

1 Answer

1986 yamaha 350 ypvs F2 should the wheels be red if so what is the RAL number


The site below (although European based) has all the colour reference codes applicable. Yamaha are a parts bin manufacturer, in that they cobble necessary parts from different models and sometimes share a range of colours across a model, particularly fashion type schemes.
The second link is bikepics, make a consensus from all the models shown for your bike.
Cheers.

http://www.rsbikepaint.com/

http://www.bikepics.com/yamaha/rd350/

Jun 30, 2010 | 1986 Yamaha RD 350

1 Answer

Hi How do I go about removing the silencers


near the end of the mufflers there one screw remove it take pair of pliers grasp the small bar in the end of the muffler and remove the baffle.

May 13, 2010 | 1986 Yamaha RD 350

2 Answers

I have a 31k wiring loom,31k cdi and switch gear but have a 350r lc ypvs stater and flywheel how do i get it to spark.is it something to do with side stand switch please help a.s.a.p .thanks


The side stand switch will not stop this from sparking.
Why are you using a powervalve genny and flywheel with an older DX set up, for starters the pick up's are not gonna work as the DX is battery points ignition unless it's an E model but still the pulse generator which signals the capacitor in the cdi to fire is still in a different position, not quite sure why you are doing this but would be interested to know why and what the remedy was.
Hope this helps

Apr 23, 2010 | 1973 Yamaha RD 250

1 Answer

Ve got a RD 350 1987 Model, on idling it is smooth, accelerate her at stand still still it beautiful but put it in gear and try to give acceleration it just dosent catch any RPM just shutters...


hi,from memory these were the first of yamahas ypvs system,check that the power valves are working,also check that the battery is in good condition,as the cdi unit needs at least 12.5v to advance and ****** the ignition timing,if the battery is low,the bike will idle ok,but when you give it throttle the ignition will not advance and lift the rpm..hope this helps..cheers

Mar 06, 2010 | 1986 Yamaha RD 350

1 Answer

I'm interested in purchasing a repair manual for my 1989 rd 350 yamaha motorcycle. Is there an auto store, or any kind of store I can buy it from? Instead of buying it online. I'd really appreciate any...


first off what country are you in ???? the 1979 rd 350 was an air cooled engine, same as 250 . the 1989 engine was water cooled with yamahas ypvs exhaust valve both very differnt in design although some frame and body parts cross over.the manual for the air cooled is: isbn 0 85696 505 7 . i dont have the water cooled number but could find it you require. the rd was exported under various different names ie: rd , rz , ypvs and so on. you can contact me @ marcusloud@blueyonder.co.uk. hope this helps.

Sep 03, 2009 | 1979 Yamaha RD 250

1 Answer

Vacnum pipe /fuel comeing out carbs


the floats need to be set they are not seating like they are supposed to

Jun 16, 2009 | 1986 Yamaha RD 350

1 Answer

Two stroke oil


Use the factory " YAMALUBE " oil. Engine oil is not a big deal but you can't go wrong if you stick to factory products.

Mar 13, 2009 | 1986 Yamaha RD 350

1 Answer

Rd 350 ypvs f2 fuel tap will not turn off''


Hi,

If the tap is leaking, it will have to be replaced.
The seal kit for the tap is not available from the agents.

Good luck

Jon

Mar 08, 2009 | 1986 Yamaha RD 350

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