cb750 stator removal
... Honda OEM Style Stator - DOHC CB750, CB900, CB1100 OEM #31120-425-852, 31120-461-415 Fits Honda: CB750C - 1980-1982 CB750F - 1979-1982 CB750K - 1979-1982 CB750L - 1979 At some point the breakeven rpm will go down. Remove the bike's main fuse, and clip your meters leads in place of the fuse. The stator cover has light scratches. The SOHCs electromagnet charging system has just four major parts. Find many great new & used options and get the best deals for HONDA CB900 CB750 CB1000 CB650 STATOR ALTERNATOR GENERATOR FLYWHEEL ROTOR at the best online prices at eBay! 1994 Kawasaki Vulcan 750 VN750A STATOR MAGNETO ALTERNATOR GENERATOR FLYWHEEL. Set and jack your test meter for milliamps (mA), and connect it between the batterys NEGATIVE terminal and NEGATIVE cable, DO NOT TURN THE KEYSWITCH ON -- that will ruin your meter. BikeBandit.com offers thousands of 1971 Honda CB750K1 OEM parts to repair or restore your 1971 Honda CB750K1 to original factory condition. The meter will read backward, that is, discharge, when the key is turned on. Ricks Motorsport Electric 25-100 Street Bike Stator Gasket. Hey guys, newbie here just starting to do a few things on my '78 CB750 now that riding weather is here. Under 2 ohms is a short. Do you think the shortage of length could be a problem? ... battery tests good, new stator and rectifier. $88.85. 5.0 out of 5 stars 2. Check polarity by turning the keyswitch on. Great replacement part for Honda bikes. We are going to call these three stator wires s1, s2, and s3. Desirable parts bike or restoration project. Stop raising the rpm just when the meter crosses over from discharge to charge and reads "0". (7) Remove the carburetor. Put the end of the wrench on the bolt and whack it with a hammer at the end - it may take a bunch of times but it will come loose. That is, there is a leak in the system. 3. Dynatek Selectronic Ignition System 69-78 Honda CB750. The first Honda CB750 set the standard for all other Japanese motorcycles that came after it. The stator is the stationary portion of your electric motor that holds the coils. SOHC charging system FAQ Bikes without full-time electronics should indicate 0 mA. Turn the bike off each time you unplug something, and restart it and retest breakeven to see if there is a difference. How the bypass is performed depends on whether your system has the rectifier and regulator as separate parts or together in one part. Off a 1998 Gsxr750 SRAD EFI . The tests will help you to identify or eliminate the stator as the problem in a charging issue. I use a 3/8" extension with the fat part in one of the 2 holes on the rotor. The rotor is the rotating magnet and the stator is the stationary coil of wire. Sometimes they come out with the first whack, sometimes they're more stubborn. Free shipping. Shipping … Congratulations! (9) Remove the engine from the right side. Honda cb900c 900 custom alternator stater stator generator cb750 … With your test meter on DC Volts, hold the meter's red test lead to the batterys positive terminal and the meter's black test lead on the field coil connectors power wire (keep everything connected). As to the 500 turbo, you did not tell us the mileage, or general condition of the bike. On a digital meter, you want a "" (negative) sign. Replace the indicated part and go on to Step Three. Otherwise, forget it. Why do you have to remove it? Honda CB750 K0(original and unrestored), K1(in pieces), K2(restored), F1(restored), 76 750a (awaiting restoration), 1966 Honda CB72 Suzuki GT750 1972 (restored), Kawasaki Z1 1973 (restored) scondon Trending at $10.85 +$4.49 shipping. These have been known to get hot then get brittle and the insulation starts to chip leading to a short.) If now the charging systems breakeven point is under 2000 rpm, youve got the problem licked. Need to remove flywheel on cb750 1981 model to repair starter clutch Any ideas on how to remove - Honda CB 750 question. This bypasses the regulator. For example, note that there are two troubleshooting flow paths. . This is designed to plug into the stock wiring harness. Once … Search Fixya. It should be under 2000 rpm. Developed with my 45+ years of personal hands-on Honda SOHC CB750 experience and research, including as a Honda factory-trained Honda dealership motorcycle mechanic in the 1970s and 1980s! Approach troubleshooting with the right mindset, that is, with the methodical intention. Step two (2): Reassemble without engine. 1980-07 CB900 … The SOHC/4 Owners Club relies on the support of our members. Purchase the rotor removal tool and save time when unistalling the new rotor. ... ELECTROSPORT HONDA CB650 CB750 CB50K CB750F CB900 CB1000 ALTERNATOR ROTOR. Excerpted from a CB750/550 Wiring Diagram. Just read the meter as-is. fuel system ignition system charging system starting system battery. Clip a 2 ohm, 100 watt resistor, available at electronics supply houses, across your meter's red and black test leads. I have been having charging problems , so I have decided to investigate the stator. 3. Service (if the regulator is mechanical) or replace (if the later electronic) the regulator and skip ahead to Step Three. Hi, Anonymous before testing any electrical component in the Charging System it is "IMPERATIVE" that you have a fully charged battery of 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage, the battery is faulty and must be replaced. The Stator should have between 0.4 Ω and 0.5 Ω between any pair of yellow wires and no continuity between any yellow wire and ground. Get the book! ENGINE REMOVAL/INSTALLATION Remove the Left Side NEUTRAL RETURN ARM SHIFT PEDAL DRIVE SPROCKET DRIVE CHAIN COVER A.C.G. Honda Cb 750 Motorcycles For Sale: 8 Motorcycles - Find Honda Cb 750 Motorcycles on Cycle Trader. Ricks Electric Stator Gasket 1979-1983 Honda CB750,900,1000,1100 However, to use it, you must understand the charging system. Free shipping. Please make sure that you check all pictures before purchase. That I must warn this way has become all too evident in recent years. This new unit combines your bike’s separate rectifier and regulator into one modern unit that is perfect for custom café racers! Been looking on eBay for a stator for AGES and tonight I spotted one for £25. Ricks Motorsport Electric 25-100 Stator Gasket. Pulling Honda Stator Rotors Without Having To Fight Them C $59.15. $35.00 . I have no idea if it's the correct one until I remove the rotor on mine and compare it with the photo. Welcome to Vintage CB750 Your CB750 Parts Supplier! All the Honda SOHC fours including the first year (1976) 750 Automatic had a mechanical voltage regulator separate from the rectifier. Consequently, battery faults dramatically affect charging system performance. The fourth charging system part is the regulator. Rick’s Motorsport Electrics has been manufacturing motorcycle, ATV, & UTV charging components for over 30 years. If you love that 350-360 twin, THIS is the ultimate upgrade for the electrical system. Browse Categories Answer Questions . We offer different shipping options. Take advantage of our easy ordering system, with replacement parts tailored to your specific machine and sorted by category. Fully running engine with just 37,000 genuine Kms . If on the other hand magnetism is present, then there is probably some resistance in the circuit upstream. NH 03841. The third charging system part is the rectifier. Honda's … Build some kind of jig in a vice to hold the stator steady? As to the smoking, it sounds like the turbo to me. If on the other hand the reading is 18 volts or more, the rectifier is bad, because the stator's output is stopping there. Not all charging system problems are due to lack of charge. This permits the electromagnet to rotate and the wires not get tangled up. The regulator prevents the alternator from producing too much at high rpm, because this would hurt the electrical components and the battery. $9.95. 77. Remember which kind you have -- dynamic or static -- and go on to Step Two. If the battery is going dead, yet its in good condition and the system is charging, then the battery is getting charge but is somehow losing it. One for when the output is low, and a different one for when it output is not low but the battery keeps going dead. Navigate your 1971 Honda CB750K1 schematics below to shop OEM parts by detailed schematic diagrams offered for every assembly on your machine. Set up the multimeter for the charge amps test. Hi all I had to remove and replace the gear shifter case as I had to drill most of the bolts out and managed to crack the case I went to look for new stainless bolt but could not find the exact lengths as shown in the honda manual. If on the other hand these double-checks pass, go on to Step Two. 1974 Honda Cb 750F, 1974 Honda CB 750 Four $1,500.00 or best offer. Honda CB650 OEM Style Stator - OEM Ref. Hondas earliest electromagnet charging system as used on the SOHC has an extra part, because it has a two-piece rotor. With the meter set to AC Volts and the leads held to any two of the yellow stator output wires, rev the engine to 5,000 rpm. If the alternator starts charging (and it wasn't before), the regulator is the problem. Powersports charging system types $162.95. purchase Honda 400ex Stator Test Cb750 from Ebay. 1992 Honda CB 750 not charging. Battery Load Test I just had the exact same problem. Do not use ATF. … Trending at $18.50. I've lurked on the site without registering for a little bit . The continuity and short tests are usually definitive for these though. Please review all pictures to asses the condition of the item. It's described as a "Generator taken from a working CB250N" and it comes complete with the pick-up coil. Step Three is simply perform the charge amps test again. You must start with a known good battery because the charging system is a two-way system, having both input and output. High Output Stators; Aluminum MOSFET Voltage Regulators Rectifiers; MOSFET Regulators For Lithium-Ion Batteries; MOSFET Voltage Regulators Rectifiers; PeakRPM CDI; ACE Ignition Systems; Kits & Upgrades; SPLYT Technology; Batteries & Accessories. The relationship between the field coil and the regulator is the key to understanding this system. This allows you to just apply the rear brake and let the drive chain, transmission, and primary chain prevent the crankshaft from turning. 1978 Honda CB750K CB750 CB 750 Stator Stator Alternator Cover Side Case Left L OEM Honda part # 11631-300-040 31102-300-045 (replaces 31102-300-035) Honda Models Fit 14CB750F-K5 1975 750 750 Super Sport CB750F-K6 1976 750 750 Super Sport CB750F-K7 1977 750 750 Super Sport CB750F-K8 1978 750 750 Super Sport CB750K 1979-82 Classic CB750 CB750 DOHC More... Series 3 . $28.99. If the reading is high, something is leaking. Improved Honda CB750 DOHC Alternator Rotor. The Two-Piece Rotor If on the other hand the regulator bypass makes no difference in charge, perform the following double-checks. EL 'C RjCA EUTR C RETURN ARM DRIVE SPROCKET SHIFT PEDAL FOOT PEG CAUTION Engine oil is a major factor affecting the performance d service life of the engine. Dont skip this part. Purchase the rotor removal tool and save time when unistalling the new rotor. Run a jumper wire from the paper clip to the battery's POSITIVE terminal. $29.99 + shipping . On the Automatic having the later one-piece regulator/rectifier, the field coil power wire is the BLACK wire at the regulator. 1969-78 CB750 SOHC More... Series 2. Really Old Timer ... Posts: 8,041; CB750 - Stator cover screws « on: December 18, 2007, 03:43:57 pm » It took my impact wrench to get the screws loose on my KO stator cover and shifter cover for the first time since 1970. The most common method is to remove it while the engine is still in the frame. So first, a few basics. (If you are still using the stock plug, double check the wiring and terminals. The Four Parts Can freight east coast metro only . Now start the engine. (9) Remove the engine from … I bought mine at Autozone for 1.99+tax. Trending at $10.85. C $53.23. When the Output is Not Low This stator flywheel starter clutch and gear are in good condition and shows normal signs of wear. Free shipping . The 10-100 regulator is connected to the harncss via the 3 single wires with spade terminals (these plug into the wires that originally were going to the tabs on the OE regulator). This is the least likely charging component to fail, but it does happen. $43.95. If forward, reverse the connections. FREE Shipping by Amazon. We will clean the stator of contaminants, then paint the stator … The battery is needed at low RPMs. Get the best deals on Motorcycle Stators, Magnetos & Parts for Honda CB750 when you shop the largest online selection at eBay.com. Removed From: 1978 Honda CB750K 750 Four with unk miles Contct me to confirm should you need and measurements etc. Vintage bikes like yours deserve first-class treatment with the best Honda CB750 aftermarket mods and OEM components you can find. In defense of SOHC Honda four charging systems Adjusting the SOHC four charging regulator The services we provide are on the value-for-value model - if you get value from this site, give something back. Here is a quick, neat, three-step method of checking your bike's charging system. Or use an air impact wrench if you have one. They can also be found in the center of the alternating system like on the older CB750’s ↑ Most common stator and flywheel combination ↑ ↑ Older style CB750 combination ↑ When either of these two systems are in motion, waves of alternating current (AC) are generated. Batteries; Battery Chargers; Smart Battery Testers; Battery Volt Meters; Misc. You won't need an impact driver but you do need to hold the rotor from turning. 1982-86 SC CB700 DOHC CB750 DOHC Nighthawk More... Series 4. COUPLER/WIRE CONNECTORS (19.5r23.9 1b OIL FILT ELEMEN RAIYER OIL PAN 3.5-4.5 kg-m (25.3—32.5 lbs-ft) TIGHTENING (21 .7-28.9 1b : 55=6.5 (6) Remove the air cleaner. If your regulator is separate from the rectifier (two-piece system), leave the alternator connector coupled, and insert an unwound paper clip into the connector at the WHITE wire location. Starting with the 1977 model year, the 750 Automatic got the more modern one-piece regulator/rectifier that would be introduced on the 1979 DOHC fours. All components specifically designed and manufactured for Race Machines. Repeat two more times to check all three leads. We must find the leak. Hampstead, Set your test meter to Ohms X 1 and measure the field coil's resistance. Original paint, gauges, and parts. During this time, the Japanese economy was recovering from World War II. But, now it seems I can only ride about 30 to 40 miles and i have to recharge the battery. $92.77 $ 92. … For example I could only find a 35 mm instead of a 40mm and a 45mm instead of the 50mm. engine mechanical.. clutch transmission. The 10-100 rectifier plugs into the harness at the same location as the OE rectifier. How to Know if a Stator is Defective. Nippon Machines fits HONDA 79-82 CB750 CB900 CB1000 CB1100 ALTERNATOR STATOR COVER GASKET NM 2.9 out of 5 stars 3. 3.5 out of 5. Both are bad. The reading of each combination should be the same (test leads 1-2, 2-3, and 3-1). In either case, with this temporary connection repeat the charge amps test, but this time, DO NOT EXCEED 2000 RPM (to keep from overloading the system during the test). Always have to tweak the throttle or she will stall. If over 2000 rpm, you have a dynamic leak, that is, a leak with the keyswitch turned on. Some light surface corrosion. Need to remove flywheel on cb750 1981 model to repair starter clutch Any ideas on how to remove - Honda CB 750 question ... 1979 80 81 honda cb750 cb 750 k f four DOHC charging rotor flywheel magneto. Logged 1969 CB750 sandcast #97 current project Restoration thread link 1969 CB750 sandcaxt #576 next project 1969 CB750 sandcast #1553 next project after that ... For the CB 750 it is MP#9 I believe (double check). $9.95. Johnie. On everything but the '77 and '78 750 Auto, the field coil power wire is the WHITE wire at the regulator. Honda 79-82 CB650/750 79-82 CBX1000 Ignition Coil. Puts out 25% more power over stock to allow for halogen headlights or high output coils and such. Preparation for Troubleshooting All Rick’s regulator rectifier come with a one year replacement warranty. 7 years ago. (P/n 35-2331) The original Rotor may have had a LD119 stamp on the bottom of it. This 100%. The Field Coil / Regulator Relationship Improved Honda CB750 DOHC Alternator Rotor. 5 years ago. Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 (Fits: More than one vehicle) 5 out of 5 stars (3) 3 product ratings - Electrosport Stator Honda DOHC CB750 CB900 CB1100 ESG210 / 31120-425-852 Remove the bolt fastening the rotor to the crank shaft via a metric wrench [at least 6" long]. $139.95. If the key-off drain is 0 mA, or if you have a radio or alarm, under 20 mA, you have fixed it. Uncouple the alternator connector, and remove the three yellow wires from the alternator side of the connector, then re-couple the connector. Motorcycles with full-time electronics (radios, alarms, clocks, etc.) Well, this is my first post. Rick’s Motorsport Electrics has developed a part that merges the two outdated components into a single solid-state device with modern technology.. If your leak was dynamic, perform the breakeven rpm test again, as in Step One. Free shipping for many products! Off a running bike . The 10-100 rectifier plugs into the harness at the same location as the OE rectifier. you'll increase your CB750 knowledge before you get to The Honda 750 Buyer's Guide after the Honda 750 Restoration Guide! With the keyswitch on, the reading should be 1 volt or less. Start the engine and from idle, very slowly increase engine rpm. Topic: 1971 CB750 Starter Motor Removal. Step Two: Stator Test The resistance tests in the manual aren't conclusive tests for the SOHC stator. If you replace the field coil, skip ahead to Step Three to make sure the regulator isnt bad also. 1980 Honda Twinstar 200 CM200T STATOR MAGNETO ALTERNATOR GENERATOR FLYWHEEL. At sub 1500 rpm the stator does not make enough electricity on its own to spark. Step Two: Find the Leak Removal and thorough cleaning of your motor will prevent future damage after the rewinding process is complete. When The Output is Low Anyway, the charging system is broken and I can't fix it so I come to you to salvage my dignity. Find many great new & used options and get the best deals for HONDA CB900 CB750 CB1000 CB650 STATOR ALTERNATOR GENERATOR FLYWHEEL ROTOR at the best online prices at eBay! Stator for Honda CB650SC CB-650SC CB 650SC Nighthawk 650 1983 1984 1985 Magneto. Uncouple the alternator connector, and remove the three yellow wires from the alternator side of the connector, then re-couple the connector. Many older vehicles, such as your Honda, relied on older field-excited charging circuits that utilized a separate rectifier and regulator. Next. It does not matter which one is which. Can't beat the price! Additional reading: DTT BOTM WINNER. $7,200 The 10-100 regulator is connected to the harncss via the 3 single wires with spade terminals (these plug into the wires that originally were going to the tabs on the OE regulator). I replaced the battery and it still has the problem. The first troubleshooting step is to bypass the regulator. Less than 50,000 miles. Congratulations! Charging System Basics DC Ignition Stator Magneto Coil Generator 8Poles For GY6 150cc 125cc Scooter ATV. Mon-Fri: ..................... 9:00 to 5:00 EST, 48 Gigante Dr. Powersports charging system history This is the breakeven point. Trending at $10.85 +$3.00 shipping. (P/n 35-2331) The original Rotor may have had a … I changed the rotor, stator, reg/rectifier, both coil packs, and the battery on my 1980 cb750 and am still having charging issues. $17.30. 17 global ratings. First, dangle that same paper clip from a pencil an inch from the alternator, and turn the keyswitch on and off. Rusted or not, the stator can be a bear to get off. However, before bypassing the regulator, make sure the field coil isn't shorted, because the bypass test might otherwise result in some rather dramatic electrical arcing. It has the same charging system as the later DOHC fours, therefore go here to troubleshoot it. (Later versions as used on the DOHC engines used carbon brushes instead.) $10.46. You've already checked the field coil, so all thats left is to examine the wiring leading into it, including the connectors. Note the rpm at which this happens. $9.95. Step One: Bypass the Regulator Find a static leak by doing a key-off current check. Honda 69-78 CB750 Ignition Coil. #31120-426-832, 31120-426-005 . Honda CB750 Ignition Switch - OEM Ref. Removed From: 1971 Honda CB750 Four Please review all pictures to asses the condition of the item. Generally, you can check motorcycle alternator stators while they're installed on the bike, using a quality multimeter. If the paper clip doesn't "kiss" the alternator each time the keyswitch is turned on, there is no magnetism. As the alternators magnet spins, the induced electrical current changes direction in step with the magnetic poles. OFFICIAL CB750 ENGINE REMOVAL PROCEDURE. new rotor, new regulator rectifier, new stator These are the 3 components in the charging system. '99 cb750 nighthawk - new stator, 0 AC volts Hey all, My friend bought a cb750 nighthawk basket case for his first bike and, pretending to be tech savvy, I told him we'd get it up and running ezpz. This is needed to properly load the stator. will indicate between 10 mA and 20 mA. 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