Question about 1986 Yamaha RD 350

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Where can i get a new std bore piston for yamaha rd 350

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I believe it should be the same as a banshee you should be able to get from any yamaha dealer

Posted on Jan 30, 2009

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Actually i dont want any solutions;i just want to know about yamaha rd 350


Model: Yamaha RD 350 Year: 1986 Category: Classic Rating: 76.9 out of 100. Show full rating and compare with other bikes Engine and transmission Displacement: 347.00 ccm (21.17 cubic inches) Engine type: Twin, two-stroke Power: 63.00 HP (46.0 kW)) @ 9000 RPM Top speed: 190.0 km/h (118.1 mph) Compression: 6.0:1 Bore x stroke: 64.0 x 54.0 mm (2.5 x 2.1 inches) Fuel control: Membrane & power valve Cooling system: Liquid Gearbox: 6-speed Transmission type,
final drive:
Chain Chassis, suspension, brakes and wheels Front tyre dimensions: 190/90-18 Rear tyre dimensions: 110/80-18 Front brakes: Dual disc Rear brakes: Single disc Physical measures and capacities Weight incl. oil, gas, etc: 170.0 kg (374.8 pounds) Fuel capacity: 20.00 litres (5.28 gallons) Other specifications Further information Parts and accessories Our partner CMSNL ships low cost OEM motorcycle partsimage-1696787-10826297 to Australia, Austria, Bahamas, Belgium, Canada, China, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, India, Ireland, Italy, Japan, Kuwait, Latvia, Lithuania, Luxembourg, Macedonia, Malta, Montenegro, The Netherlands, New Zealand, Norway, Poland, Portugal, Serbia, Slovakia, Slovenia, South Africa, Spain, Sweden, Switzerland, Taiwan, Ukraine, United Kingdom, The United States and more. Or check out parts and accessories from our other partners.

Dec 29, 2010 | 1986 Yamaha RD 350

1 Answer

2004 yz 125 std bore size,and what size do the pistons go up in,thanks


The std bore is 54mm and some available piston sizes are (Vertex Pistons)

53.93
53.94
53.95
53.96
53.97

Dec 03, 2009 | 2004 Yamaha YZ 125

2 Answers

My cylinder got gouged by the piston. Can I bore


It depends on how deep the gouge is. Having it bored and a new oversized piston may set you back more than a new stock piston and cylinder.

Oct 26, 2009 | 2005 Honda CRF 250 R

1 Answer

Hello, I am ali from india, thanks for providing this excellent oppurtunity to share problems. i have a 1984 indian model yamaha rd 350. recently i took the job of restoring it completly. in the process of...


You need to check clearance betwween piston and bore.It should be 1 1/2 thou clearance at the base(widest part)of piston.If it is less than this or more than 2 thou (0.002")then you will get problems.

Make sure it has been bored properly and that bore diameter is the same throughout the length.

Ring gaps should be about 7 thou,and no less or you will get seizing.

If you have a powervavle it should be set correctly too.I raced RD 350s for nearly 10 years and there is so much you can do but it can take time, but I will help you if you are interested.I could give you starting points for tuning if you can tell me carb size,whether you have expansion pipes,airfilter type etc ,etc.Oh dond forget not to fit plugs that are too hot like a bp6hs etc. as you can hole your piston too.

In the mean time check the piston,bore and rings and get back to me if you need more help.

Sep 11, 2009 | 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

2 Answers

How much compresion should a 01 banshee have on each cylinder


The bike will still run even at 7:1 or a little lower, but the specifications call for about 10:1.

Feb 12, 2009 | 1986 Yamaha RD 350

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