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Motorcycle Forum / General / Yamaha / December 2004Valve Adjustment
According to my owner's manual, I should adjust the valves on my VSTAR at 8,000 miles. I have a bit over that. Just how necessary is this? You don't have to do this on cars. cheers bob >According to my owner's manual, I should adjust the valves on my VSTAR at >8,000 miles. I have a bit over that. [quoted text clipped - 4 lines] > >bob It is very necessary. A malajusted valve that does not close properly will burn. Besides, a well tuned engine will last longer. Up here, for $250 CAD, I get a complete tune up, including oil and filter, plugs, valve adjustement and carburator sync. And they check steering, suspension, all the controls, etc. Well worth it, IMHO. -- I put 2 and 2 together and got 22. > >According to my owner's manual, I should adjust the valves on my VSTAR at > >8,000 miles. I have a bit over that. [quoted text clipped - 7 lines] > It is very necessary. A malajusted valve that does not close properly > will burn. Besides, a well tuned engine will last longer. Yabut, what is it about this engine that makes the valves need so frequent adjustment? Seems excessive to me. > Up here, for $250 CAD, I get a complete tune up, including oil and > filter, plugs, valve adjustement and carburator sync. And they check > steering, suspension, all the controls, etc. Well worth it, IMHO. That's not too bad. I'm considering buying the manual and doing it myself. cheers bob >According to my owner's manual, I should adjust the valves on my VSTAR at >8,000 miles. I have a bit over that. [quoted text clipped - 4 lines] > >bob I wouldn't mess with your valves unless something is a miss. Speaking as a R* owner I was told they don't go out of adjustment anywhere near what the manual suggests for readjustment. Check with Bulldog at Baron's http://www.baronscustom.com/ Click on <tech forums> Does this mean I should not have the first 500 mile valve adjustment? >>According to my owner's manual, I should adjust the valves on my VSTAR at >>8,000 miles. I have a bit over that. [quoted text clipped - 14 lines] > > Click on <tech forums> >Does this mean I should not have the first 500 mile valve adjustment? I took my 2004 R* in for it's first (600mi) recommend checkup. Yamaha recommends a valve clearance check every 4000mi/6 months after that. Give me a break! Please don't take my word for it. I don't work for Baron's nor have I ever bought anything from them. I do follow their R* forum and I respect the knowledge of the personnel responding to R* questions, especially bulldog1602. IIRC he mentioned, regarding the R*, that the valve don't need checking that often. Of all the valve jobs he has done on R* none have needed an adjustment. He really likes the R* engine. Your question was about the V-Star 650. I can only assume the quality is the same. Go to Delphi and ask there. > >According to my owner's manual, I should adjust the valves on my VSTAR at > >8,000 miles. I have a bit over that. [quoted text clipped - 10 lines] > > Check with Bulldog at Baron's I suspect it's an employment program and income supplement program for dealers. grin bob > According to my owner's manual, I should adjust the valves on my > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 4 lines] > > bob It's VERY necessary. If we tie off your wee wee, how necessary is it for you to eventually take a piss? DUH. > > According to my owner's manual, I should adjust the valves on my > > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 7 lines] > It's VERY necessary. If we tie off your wee wee, how necessary is it for > you to eventually take a piss? DUH. That does not follow. WHY do you think it's necessary? Is there something unique about motorcycle valves? cheers bob >> It's VERY necessary. If we tie off your wee wee, how necessary is it for >> you to eventually take a piss? DUH. >> >That does not follow. Agreed! >>> According to my owner's manual, I should adjust the valves on my >>> VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 16 lines] > > bob In a word, 'yes' As a generality, air cooled engines run hotter and experience greater thermal swings (particularly in a longitudinal Vee configuration) than liquid cooled engines. This means more frequent valve adjustments all else being equal.  Signature- Philip >> > According to my owner's manual, I should adjust the valves on my >> > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 17 lines] > > bob The mc engines got alot higher rpms than a cage engine, and all that moves rubs down, whith higher rpms it get down faster. Roadrunner > >> > According to my owner's manual, I should adjust the valves on my > >> > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 21 lines] > rubs down, whith higher rpms it get down faster. > Roadrunner I've owned 5 air cooled, high RPM, Porches. Never had a problem with valve adjustment. cheers bob >>>>> According to my owner's manual, I should adjust the valves on my >>>>> VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 28 lines] > > bob Whatever that means (never had a problem with valve adjustment), with air cooled motorcycle engines, valves need to be looked after while they're stabilizing during the first 100 hrs running. Signature- Philip >> >> > According to my owner's manual, I should adjust the valves on my >> >> > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 31 lines] > > bob Allright skip the adjustment and se whats happens. Roadrunner > >> >> > According to my owner's manual, I should adjust the valves on my > >> >> > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 34 lines] > Allright skip the adjustment and se whats happens. > Roadrunner I've ordered the manual and plan to do it me-own-self. It never hurts to check. I just question the frequency of the check. cheers bob Let us know Bob how it turns out, needed or not? Ray >> >> >> > According to my owner's manual, I should adjust the valves on my >> >> >> > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 42 lines] > > bob >> > According to my owner's manual, I should adjust the valves on my >> > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 12 lines] > WHY do you think it's necessary? Is there something unique about motorcycle > valves? Depends. Most motorcycle engines run solid lifters, which means, you have to adjust the valve fairly often. Most cars, have hydraulic lifters, which will self adjust for the majority of the wear. If you install solids in your car, you'll be adjusting the valves in that, about as often as the bike. There are a number of bikes that use hydraulic lifters (Some Nighthawks IIRC) and they havce a much greater time between valve adjustments. Hydraulic lifters are like hydraulic clutches, they can self adjust for a fair amount of wear. SignatureJim Richardson http://www.eskimo.com/~warlock Q: What is purple and commutes? A: An Abelian grape. > >> > According to my owner's manual, I should adjust the valves on my > >> > VSTAR at 8,000 miles. I have a bit over that. [quoted text clipped - 24 lines] > Hydraulic lifters are like hydraulic clutches, they can self adjust for > a fair amount of wear. Ahhh. Good point, and one I hadn't considered. tnx bob > > Depends. Most motorcycle engines run solid lifters, which means, you > > have to adjust the valve fairly often. Most cars, have hydraulic [quoted text clipped - 13 lines] > > bob Hi Bob, The valve check (& adjust if needed) really should be done regularly, as per Yamaha maintenance schedule. If you're mechanically inclined, it's easy enough to do yourself. You should check out the V-Star forum at http://forums.delphiforums.com/sgmfa/ There is lots of good advice on the webpage, and tons of friendly & helpful folks on the message board page. Since I got my V-Star in July, I've done quite a bit to it with what I've learned on the newsgroup. Try it - you'll like it!! Gene PS - Where else have I seen you post. Possibly one of the RV newsgroups? > > > Depends. Most motorcycle engines run solid lifters, which means, you > > > have to adjust the valve fairly often. Most cars, have hydraulic [quoted text clipped - 28 lines] > > PS - Where else have I seen you post. Possibly one of the RV newsgroups? Yup. I'm a fulltimer, snowbird and post there quite a bit. cheers bob >> PS - Where else have I seen you post. Possibly one >>of the RV newsgroups? >Yup. I'm a fulltimer, snowbird and post there quite a bit. > >cheers > >bob Just curious - how do you fulltime with the bike? Trailer, rear-mount lift, or?? Gene > >> PS - Where else have I seen you post. Possibly one >>of the RV > newsgroups? [quoted text clipped - 7 lines] > Just curious - how do you fulltime with the bike? Trailer, rear-mount lift, > or?? Diesel pusher motorhome, 25 foot, dual axle trailer behind it. On the trailer is my pickup 4X4 with both motorcycles in the back of the pickup. I've got a VSTAR 650 and an old Yammie 250 Enduro. I Winter in Phoenix, Summer in Gunnison, CO. and spend May and Oct in Albuquerque. Life is GOOD. Ride Safe bob |
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