xs1100 compression test|yamaha xs1100 service : advice Welcome to Mothership Motorsports, today we start the task of investigating what we have with Emma, my 1979 Yamaha XS1100.
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Doing the test w/o carbs is fine, you won't have to hold the throttles open! Cold is ok, too, but will give you slightly lower readings than if the motor was hot. Since you had the . Re: XS1100 Compression Check. Only needs to be a squirt of oil. First cold check should be dry and remember to hold the throttle wide open. Anywhere near 140 cold & .
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Compression ratio is a nominal 9.2:1. The owner’s manual says regular or low-lead gas is fine, although we fed the test Eleven straight premium: Performance like this deserves better than a.But once you get the back pressure the engine wants, it should then be pretty easy to get it tuned well enough to pass the test, as when running right, these engines run very well and clean. Cy . I have used the compression tester for years. I've got an 81 650 maxim that I tested in July at roughly 125 lbs across all 4. Its a real peppy bike after valve shims and carb . Welcome to Mothership Motorsports, today we start the task of investigating what we have with Emma, my 1979 Yamaha XS1100.
This 1978-1981 Yamaha XS1100 Service Manual is intended to acquaint the mechanic with the disassembly, reassembly, maintenance, and troubleshooting procedures required to provide optimum performance and longevity of the unit.
Compression and leak down test also may help. Sure like getting neglected oldies back in running condition.View and Download Yamaha XS1100SH service manual online. XS1100SH motorcycle pdf manual download. Also for: Xs1100h, Xs1100lh. If testing hot, DON'T do a wet test. There's a tiny risk of the oil "compression-igniting" and blowing the tester to kingdom come (or into your mush.!!) And a final note. If you don't KNOW that your valve clearances are correct, then don't bother wih a compression test. A tight valve will leak precious psi away and ruin the results . Compression test was done only kicking. Compression results were as follows, Right side: 10 kicks- 90psi 20-110 30-115 40-115 Left side: 10- 60 20- 90 30- 110 40- 112 50- 115 60- 115 In all honesty between my lack of .
Compression Ratio: 9.2:1: Induction: 4x Mikuni BS 34SS Carburettor: Lubrication: Wet sump: . Road Test: Cycle 1979. The XS1100 was Yamaha's conception of the ideal touring motor cycle. . the Yamaha had a less .Items For Sale or Wanted ads in posts are permitted, providing they are to do with XS1100 or motorcycles in general. ALL posts listing Items for Sale MUST include good quality pictures of each item and the price the seller expects for each item.
I did test resistance of the primary side of the coils, but at the coils and not at the TCI. I will do that. I will also check the ballast resistor and recheck the ignition pickup wires. I did do a compression test after the valce adjustment. Results on all 4 were 165-170 PSI. Cylinder leakdown on all 4 was 5-10%. Engine was warm for both tests.This 242 page pdf document, 1978-1981 Yamaha XS1100 Service Manual is a reproduction of the original out of print repair manual. This manual was originally written by Yamaha Motor Company for use by Authorized Yamaha Dealers and their qualified motorcycle mechanics. It has been assumed that certain basic mechanical procedures inherent to the 1978-1981 Yamaha [.] 1979 Yamaha XS1100 Touring Martini. Tags: clearance, shim, valve adjustment. TopCatGr58. Administrator. Join Date: Jul 2002; Posts: 12650; Location: Portsmouth, Va. Share . Can you do a compression test, you may not hear any ticking, but you may also be only running on 3 cylinders instead of 4??? With that much clearance, you may have already .
Last Post: Test of posting. 249: 944: Test of posting. by Ranger_xs1100. 01-25-2024, 05:48 AM. Buy, Sell, Trade Forum: XS and XJ 1100 bikes for sale. XS-XJ 1100 bikes for sale only please. . Last Post: XS1100 parts fitch in JPG form. 8: 10: XS1100 parts fitch in JPG form. by DiverRay. 06-13-2022, 10:56 AM. Repairs: Brakes. Topics: 5 Posts: 7 . I've got an XS1100 in the shop that has me pulling my hair out. It's got a severe case of hanging idle. 2500RPM then drops to 1000 or so, stumbles a few times and dies. . How about things like valve clearances and a compression test? You mentioned "vacuum advance" does this thing have electronic ignition or points? '83 XJ550R, '81 550R . Yamaha XS1100 Road Test. September 15, 2004 Reviews, Yamaha. Yamaha’s 70s flying machine – Living life to XS. Yamaha were late arriving at the big bike party, an early attempt, with a heavy and dated 750cc triple, saw them at the rear of the performance race but that was set to change in 1978 when an all new design arrived. .5. Compression test (130/130/125/145psi) 6. All fluids 7. New Battery 8. Carb sync / tune I've been riding it around for a couple days and everything seems to work well except for a couple issues. I'm hoping you all can point out and give me some direction. You all are infinitely more knowlegable than I am! AZ unfortunately requires emissions.
CYCLE WORLD TEST. What we have here, in the form of Yamaha's 750 Triple being boosted into an 850, is the chance to squeeze one more joke out of the old good news-bad news routine: . s different way to appeal to the 750 market while not crowding into the territory reserved for the then-in-progress XS1100. The first 750 followed Yamaha’s .Yamaha XS 1100 Sport touring Yamaha 1979 In-line four, four-stroke 95.00 HP (69.3 kW) . Compression Ratio: 9.2:1 : Number of valves per cylinder: 2 : Camshaft Valvetrain Configuration: DOHC : Maximum power - Output - Horsepower: 95.00 HP (69.3 kW) @ 8500 RPM : .Yamaha XS 1100 Martini. Make Model: Yamaha XS 1100 Martini . Cooling System: Air cooled: Compression Ratio: 9.2:1: Induction: 4x Mikuni BS 34SS Carburettor: Lubrication: Wet sump: Ignition: TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only . By the way in the last year . I did test it that way with the innova at first reaching 135psi max, cold I got 140psi, I am aware of the proper procedure for testing. I also tried it with just 2t oil on a cold motor just to see if I was getting blow by from a bad ring but the compression was basically the same as the cold engine test with no oil.
Growing to a whopping 1100 CC, the XS1100 was not only larger displacement, it was also the first four stroke, 4 cylinder motorcycle engine from the team at Yamaha. This was a big move and immediately set the stage for .
– Install compression gauge. – Move slide control to "STOP-0". – Set choke shutter to open. – Pull starter rope vigorously and quickly several times. – Note compression pressure. If the compression pressure is below 6 bar, check valve clearance and readjust if necessary, b7.2. If this produces no improvement, check the cylinder, valve .Yamaha XS 1100 Martini is produced in 1979. Engine is Four stroke transverse four cylinder, DOHC, 2 valves per cylinder., displacement 1101 cc / 67.2 cu-in , produces power 95 hp / 70.8 kW @ 8500 rpm and 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm. Yamaha XS 1100 Martini top speed is 126 mph / 202.8 km/h.
I did a compression test on my "82" GL 1100 A with 111,000 miles on it. It smokes just a little when started cold then clears right up.It's been pinging alot when the throtle is open more than halfway,like trying to pick up speed at highway speeds.It has compression of 95,96 psi. on all 4 cyl. and will hold that pressure.My manual says it should be between 140 and . https://www.howtomotorcyclerepair.com/motorcycleleakdowntestClick link above for blog post and more info on leak down .
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Hey I have a 1980 YAMAHA xs1100 special that is leaking fuel out of the number 3 carb and I tried taking it apart following the service manual but APPARENTLY these aren't the stock carbs but I realized that halfway through disassembling the number 1 carb so I put it back together and now the valves won't slide down smoothly. I'll include . 1980 XS1100 Special, new to me and just fully renovated and will start right up, but it blows its oil out first minute of running, four times so far. . This test is only to be sure the valves are the cause for low compression in #4 cylinder. . It would explain the excessive oil pressure and the low compression. It should be interesting to . The superb factory test track was as smooth as a billiard table and not at all representative of the sort of roads the bike was being used on in real life, basically any machine ridden smoothly around the circuit would handle adequately. . Compression Ratio – 8.4:1; Carburetion – Mikuni CV; Max Power – 53bhp @7000rpm; Torque – 39.78 .
This is my way to perform a compression check on my 1100 Virago, if you just want to see the result then check the timestamp at the beginning of the video.If.View and Download Yamaha 1979 XS1100E owner's manual online. 1979 XS1100E motorcycle pdf manual download. Also for: 1979 xs1100.
The compression ratio has been dropped to 9.0:1; the pistons and head have been changed so the combustion chamber is different, the better to meet more stringent 1980 emission standards. . year’s Special and this year’s test bike, at a figure of 31 in. Oh yes, that taillight didn’t include the license plate light, which is now7 located . Nicknamed the ‘Excess Eleven’ this Yamaha would become feature writers gold and make test pilots nervous Which Bike told of a machine that enjoyed ‘a bullet proof engine with tea trolley handling’ and another tester explained ‘cornering at high speeds was done at your own risk’. . Yamaha XS1100 Technical Specification. Engine .
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yamaha xs1100 service
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xs1100 compression test|yamaha xs1100 service