1981 yamaha sr250 top speed

In very basic terms, the ignition switch is just an on/off switch for the bikes systems. Yamaha SR250 1981, SynBlend SAE 10W-30 Semi-Synthetic 4-Stroke Engine Oil, by Maxima Racing Oils. I got distracted and caught myself doing 75 mph on my 1980 model just the other morning. Warms up when the engine is running. Good evening from Washington DC. ), then back the screw out 2 full turns and see how it runs (if it doesnt run well try backing the screw out a quarter turn at a time till it runs ok). Compare technical specs. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship.. The manual says the top speed is 83 km/hr but I had it up to 115 and I'm 220lbs. The cookie is used to store the user consent for the cookies in the category "Other. My problem is it wont arrive till May 10th, then if it doesnt fit I have find another solution. Champion RN7YC Cooling system: Air cooled This a brilliant site by the way. But, check the brake cable has been slackened off before you try to fit the new pads (the cable should have been tightened as the old pads wore down and is likely to be adjusted too much for the new pads to fit). I think someone might have done something to mine because its not as torquey as this but its has a top speed of 97, What is the cylinder Psi from factory, Rebuilding a box-bike. Used slightly modified circlips instead of the rusted ( and discontinued)wire clips to retain the seals. Juat got my girlfriend a 1984 SR 250. i think the oil is over full and would like to learn to change the oil and oil filter. Was wondering if anyone else had hat happen, havent torn into to look at yet. DC12V Motorcycle RPM 15000 LCD Digital Adjustable Speed Odometer Speedometer Kit (Fits: Yamaha SR250) . A bigger rear sprocket lowers the gearing and would make it, the bike, slower for more speed you would have to put on a larger front and smaller back sprockets. Power: 20 bhp at 7700 rpm man that is looking GOOOOOD! Carb type: BS34-III No, I havent. Titled and registered in Texas.-. I have a 1982 yamaha sr250 exciter body style is bc. thanks Im getting most of the parts OEM from Yamahapartshouse, but they dont carry the pilot jet anymore. Could the fuel tap effect the carbs performance? But, I can only seem to find references to the H and TH models in some parts catalogues, which are well known for making mistakes with the model codes (i.e. Front wheel spindle clamp (the ones in the fork leg): 22nm The bike had been standing for 22 years until the previous owner restored and recommissioned it. I have a ton of questions, but I really wanted to ask anyone about gear ratios? You must log in or register to reply here. You also have the option to opt-out of these cookies. only problem is a leak on the left side of the case (i think its a sproket seal gone bad). Displacement: 239cc ccm Ive replaced with a conventional on off fuel tap. If so please send me a link. . It now pucks up fine through to 4th gear but no matter what the revs when i chande into 5th gear it drops and wont go above 6k revs and looses speed too, drops from about 70 down to 60mph. The only adjustments are the float height and fuel/air mix. back in the 1980s. put it back together (couldnt get the starter to work) and couldnt figure out why it seized for a day or two before i took it apart and found the gear chilling on the right side. Mr WhiteDogBikes,i think you are right coz the sound is more like rattling/knocking inside the engine and it used to increase when i revved the engine whilst in neutral bt now its audible even when travelling.i bought the bike last year from somebody who got it from auction in 2012,and the guy did the service himself.what im quite sure of is that the bike has been lying idle at the auction floor since 2007 til the guy bought it .ive looked on several blogs for an answer bt am hitting a dead end.the bike was ok all along til last month when the sound started.ive since parked it coz of fear i might further damage the engine.i also dont know whether what those two guys said was true about worn cam chain guide/cam shaft.the bike did 35000km and the two guys said the cam chain was ok. 2 years ago I had to replace the silencer. Abbreviating the specifications, it has an engine displacement of 15.19 ci and a total power of 22.00 hp (16.1 kw) @ 8600 rpm with an single-cylinder engine, 4-stroke. You might want to check your junk mail box as Ive now sent the email twice. $2165.00 Suncoast Diesel Allison 2200-2400 Stall Triple Disk Billet Torque Converter Suncoast, Xdp, Airdog, Sct, Banks, Fleece, Hsp, Bully Dog & More! ), Rear tyre size: 120/90-16 As soon as I bought it I realised the neg pressure fuel tap wasnt working. Buying advice.. any advise regarding oil pressure would be good. Manual I have doesnt mention this. Overall design and appearance of the bike compared to similar models. Shop the best {0} for your motorcycle at J&P Cycles. Hello again, Could you help me with three things (1980 SR 250 SE) 1. i am a novice mechanic at best and this is my first bike. I thought hey ill check the spark and there was a light yellow spark. There should be 2 screws (I think? Yamaha XT 250 Specs. Although the SR400 is similar to the SR250, the 400 was a smaller version of the SR500 (the SR 400 had a slightly different crank shaft fitted to reduce the engine stroke and CC). Im fairly certain the SR250SE and the SR250 US Custom are almost identical (except the side panels). Cheers. Yamaha spare parts for SR250 Motorcycle. Not sure what you mean by the rubber bit covering the bolts (if its an aftermarket part Id imagine it just pulls off? My SR250 has was repaired with the carb from a different bike. Was I correct in assuming theyd be compatible? Have you seen any excessive smoke from the exhaust or can you smell burnt oil when riding? So my VIN number says my 1980 is an SR250G what does the G indicate? 2. Although the SR250 SE was never going to set the motorcycle world alight and wasnt really all that much to look at, the bike proved very popular with commuters, people looking for their first big bike, younger riders, city couriers and people looking for a winter hack. 1981 yamaha sr250 top speed Blog. But now its running like crap, 99% sure its running way rich.. my question for you guys is, where the bloody hell is the mixture adjustments??? Merry Christmas everybody! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Yes, we use cookies, the internet (and this website) don't really function without them. Any ideas anyone. For me this 250 is a great little machine mine says U.S. Getting the chain tension correct is very important (too loose it can come off and damage the bike, too tight and it can bend the crank or snap! However Ive also found that at 60kmph/ 1400rpms. All i can find is one brass screw under the throttle cable?? I managed to get chain back on but now it wont start on neutral and the indicator light for neutral wont come on. This website uses cookies to improve your experience while you navigate through the website. And next, how do you get the fork seals out? The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The few weve had in all had 18 inch front wheels, but most tyre reference books say they have 19 inch front wheels (so best to check your old tyre before buying a replacement! What tire options does a guy have for a pair of dual purpose tires for the 18 front and 16 rear that are a close tread match!? please help. Moose. I too have a drip on the left side of oil that I havent bothered to investigate yet. Front tyre pressure (if your on your own): 1.8 bar / 26 psi I have an 82 SR 250 Exciter, it has a clunking noise from the trans in first gear only. The Yamaha sr 250 special has a power of 20.00 hp (14.6 kw) @ 7900 rpm. Hi guys, ): Alternatively, I think theres a few Yamaha owners forums on the net, someone there might have the wiring diagrams? New Carburetor for Yamaha SR250 1980 1981 1982 3Y6-13586-00 Brand: JIK 2 ratings $17999 Fits for : Yamaha SR250 1980 1981 1982 3Y6-13586-00 Package include: 1x Carburetor. im trying to figure out how to set the timing. Anyone around the Flint MI area. took it out from the left side not thinking about the gear and it dropped into the right side case. i also want to learn to do the maintenance myself This cookie is set by GDPR Cookie Consent plugin. WhiteDog maybe you got my email wrong? Try asking the company below, Ive used them a few times and they certainly know there stuff when it comes to electrics, CDIs and the like: I have a 1981 sr250, and recently bought a 1980. You have here the information of this fantastic motorcycle. Hardest part was finding which wire was which, needed to use my multimeter. My max speed was 74mph (119kmh), fuel consumpsion 2.8-3.3 l/100km (SR250SE/1983 still in usage!). Front tyre size: 3.00-18 (300-18) It was quite a job but its in and if the engine would just start, itll be a success. ): looks like i joined the club. Cheers! Just a thght. Hard to find here in Canada eh. I have the 1981 SR185 and can find little to nothing on compatible parts. Leaky SR250 Classic fork seals. Good luck all. A great little bike I dont think anything off the 185 will work on it. I have everything I need in my cart except the pilot jet, lol. I have owned several SR250s now and often refer to this page for info thanks! So, I took the coil wire off and inspected it, put it back on and everything was back to normal, and the spark was a nice powerful blue spark. Save money at. The Yamaha XT250 was a single cylinder, four-stroke Enduro motorcycle produced by Yamaha between 1980 and 2019. Rear brake shoe: EBC Y506 / Vesrah VB-223 Every time I do a search, it only pulls up information about the fork seals. The US Custom bit may have come from some SR250s imported to the UK (often bike models will have a different name in other countries, e.g. Max torque was 14.01 ft/lbs (19.0 Nm) @ 6500 RPM. Your chain most likely came off due to being too loose. How do I install new chain on my 1982 sr250? An owners manual is normally a basic summary of info about the vehicle (what the lights, switches etc do, basic service stuff etc). It looks in great shape. Thanks. I have been wondering if it is possible to install a tachometer I installed new speedo which looks so much better than the original but would like to have a tachometer to add to its looks can it be done? 1981 Yamaha SR185 Project was created by EnduroDude. Yamaha SR250 / SR250T 1981, Carburetor Float by K&S Technologies. This 138 page, 1980 1981 1982 Yamaha SR250 Exciter Service Manual is a reproduction of the original out of print manual. Starter type: Electric starter motor Any ideas would be very much appreciated. Cyron. ), so if youve not done it before you might want to get a friend to show you. Nice work, looking really good. Wat are the measures for the carb float height?? Can you possibly recommend an silencer? To do any adjustment to it you have to get it out, by either drilling it out, or getting a screw to go in it and pulling it out. Theres also a small screw on the side of the fork, just above the spindle hole. Wow this is pretty recent. I have a couple questions off the bat if anyone is able to answer. I would appreciate any help you can give me thanks Tina. i have a the sr250 and having stuttering problems mid to top range was thinking i need a jet kit but if i could drill it all the better. Front sprocket teeth: 16 Notify me of follow-up comments by email. It seems to be a CDI ignition, Ill keep at it! JavaScript is disabled. You would probably need to modify the crankcase though as the SR250 kickstart hole is blanked off? If its struggling with revs you might want to check that all the filters are clean (especially the air filter), check theres no cracks, leaks or blockages on the fuel and air pipes (especially check the carb to engine rubber for cracking), if this fails you might want to check and clean the carb. Overall driving experience, for both short and long hauls, Brake feel, ABS response, and emergency braking response, Amount of information we have, different driving modes and connectivity, Seat comfort, driving position and control ergonomics. The SR400 also has a disc brake on the front (instead of the SR250s drum brake), a bigger engine, larger tank, slightly wider tyres, different (flatter) seat etc. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Does the CDI system need a battery supply & if not how does the ignition switch work? Any advice please? Overall design and appearance of the bike compared to similar models. I dunno Its becoming a pain. Long story short, I bought it for next to nothing and had it home that afternoon and started its revitalization. Put them back in what I thougth the right way and now can`t get to 4th and 5th gear. 1. You can also check the wires coming from the coil and the CDI and look for damage or excessive corrosion, also check the earth connection from the battery and other parts are undamaged, corrosion free and properly attached. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Might be worth looking on YouTube as there seems to be a fair few people on there whove made videos of them striping the engines? First step was to remove the forks from the bike obviously! It makes my day. It is not too difficult, just need to solder in a couple wires. I was thinking of trying that installation this winter. I would say try and get in the tank and have a look before you start it (the tank could have loads of rust and dirt in it which could block up your fuel tap and carbs). Ive got a few problems with my 1981 Yamaha SR250. If you have any 1980 to 1985 Yam SR250 questions, please post them below . You sure have been a good help! For someone like me whos only mechanical experience was pulling my wrist watch apart, Im having fun with my sr250s. The seat is showroom condition. Interested? It had sat for a decade, but by the grace of god, wasnt seized and started right up with some starter fluid. Poor thing was screaming. and our . The frame number should be on the side of the frame headstock, which is where the fork yokes mount to the frame, just under the handle bars. I bought a SR 250 engine to fit into a quad bike. Need parts for your SR250? I have it operating and am thrilled that I was able to rebuild her and clean out case and now ride her again. I came back to this blog. 130mm Length. I think the SR250 and XT250 engines are very similar (the XR250 is kick start), so it might be possible. I've been looking at buying my first bike and like the looks of this SR250: https://charlotte.craigslist.org/mcy/6259551500.html, Is this a reliable bike? A mate at work had an ordinary XS 250 & had constant trouble with the points closing & timing slipping so I was glad I got the single. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Yamaha SR250 REVIEW Top speed: 130 km/h (80 mph) Engine: 249 cc (15.2 cu in) SOHC 2-valves per cyl. Magneto / flywheel: 80nm In this version sold from year 1980 , the dry weight is and it is equipped with a Single cylinder, four-stroke motor. Enjoying the discussions, thanks. Rex's Speed Shop (Ignition) 12 Volt Conversions; 2-Stroke Stator Kits; 4-Stroke Stator Kits; CDI Units; . Privacy Policy. Easy, looks great and works great. Used, second-hand Yamaha XZ 550 1982-1984 (XZ550) Cleaning Sets parts. I rode for 400km at full throttle, topping only 78kmph (with headwind), then with a tail wind change, I managed 84kmph. Cheers. The SR400 also has slightly different styling. Would be on the engine side of the carb, usually a black cap kinda thing over it with a little tiny hole. You can add them to the page if you like? Front tyre pressure (if your carrying a pillion): 2.0 bar / 29 psi Fun bike. Also, what is the difference between SR250TH and SR250H? Gasket: 45mm (outside diameter) x 38mm (inside diameter) x 5mm (depth) exhaust gasket, Shocks, brakes and wheels To keep this page as a free resource for people to use, there are affiliate links (mainly Amazon) throughout the article. . However it has recently developed an annoying popping and banging from the exhaust on the over run which is accompanied by a tinny rattling sound from thee area of the exhaust down tube. Please note The 89mph top speed was Yamahas estimated top speed (used on their marketing bumph!) And in second gear from 18-25 mph it lags when full/half throttle is given. hi.i have an sr250 bt im not quite sure which year it was made so as to base my question on.the bike has quite some noise coming from the engine(the black painted part), like a cranking sound or something.i asked 2 guys about it and one said it might be a loose camshaft and the other said something about a worn-out chain guide.i really like the bike pliz help. Do you mean the screw thats hooked to the throttle? Sure, popping wheelies, jumping logs, dodging pucker bushes and strafing jeep trails may not seem heroic next to the kind of weekend riding that Mike Bell does on his Yamaha racer, but his fun lasts only 40 minutes. The mechanic insists I must be changing up too soon but its full throttle before I change. The mileage could be genuine, but have no way of knowing everything certainly feels tight, the engine is quiet and the controls have no slop in them. Ill have a look at the wiring thanks I intend to change chain for one i bought on ebay. hi Mr Hustle, what drill size did u use? The previous owner has cut and replaced a few wires and Im not 100% sure on why It is complete but in rough shape, surface rust everywhere. Also, if you remove the speedo drive from the front wheel (it connects to the other end of the cable, on the side of the front wheel), check it spins smoothly and freely.

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