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Peteg
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« on: February 01, 2026, 08:51:47 AM » |
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Is the pulse generator on the right side or the left?
Are the pulse generator wires the wires referred to in the valve service procedure as be careful not to pinch when you reinstall the covers?
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Hook#3287
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« Reply #1 on: February 01, 2026, 10:21:37 AM » |
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The Ignition Pulse Generators (2) are located behind the Timing Belt Cover (large) to the left of the Main Crank Pully.
Their wires go through a Grommet inset in the Engine Case and up under the right hand side steering area cover.
To adjust the Valves, you do not need to remove the Timing Belt Cover (large), just the Timing Belt Cover (small, 3 bolts exposing the crank pulley)
I don't believe there are any wires to be concerned about related to the Valve Covers.
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Chrisj CMA
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« Reply #2 on: February 01, 2026, 10:58:32 AM » |
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There are a couple wires that run near the forward edge of the right side valve cover. One goes to the oil pressure sensor. I always disconnect these to get them out of the way when doing the valves
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« Last Edit: February 02, 2026, 06:14:56 AM by Chrisj CMA »
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Peteg
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« Reply #3 on: February 01, 2026, 02:41:24 PM » |
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Thanks Chris, that makes it perfectly clear. Somewhere I read about a potential issue with the wires on the right side but now that I'm getting ready to check the valves I couldn't find the reference. I'll see everything when I do the valve clearance check as I also want to pull the large front cover. The last time I pulled the front cover to check the timing belts the left belt tensioner was loose so I want to check the belts again to make sure I never jump any teeth.
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Hook#3287
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« Reply #4 on: February 02, 2026, 05:25:15 AM » |
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http://www.valkyrieriders.com/shoptalk/carlvalve.htm#22 in Carl's maintenance page. Those wires run along the front as stated, but I've never had any issues with them getting in the way. If they were pinched somehow, pretty sure the cover would not seat correctly. I believe they are not mentioned in the OEM service manual.
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Fabio
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« Reply #5 on: February 03, 2026, 05:57:12 AM » |
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On the subject of pulse generators.
I’m in the UK and purchased a 1998 Valkyrie from a dealer unseen. From the moment it arrived it never ran properly despite the dealer claiming they had serviced it. Normal problems of rough running and backfiring. Determined to fix it I tried everything you could imagine, including servicing the carbs with no luck.
Had disconnected the pulse generators at front of the fuel tank to check the resistance, all good. For some reason, clutching at straws, I decided to put a connector in the loom to swap the pulse generators round. All I expected was a huge backfire but it fired up instantly and ran perfectly, problem solved. I have no idea how it could run with them the wrong way round, a Honda mystery.
Just hope this could help someone with the same problem.
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98valk
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« Reply #6 on: February 03, 2026, 06:09:59 AM » |
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On the subject of pulse generators.
I’m in the UK and purchased a 1998 Valkyrie from a dealer unseen. From the moment it arrived it never ran properly despite the dealer claiming they had serviced it. Normal problems of rough running and backfiring. Determined to fix it I tried everything you could imagine, including servicing the carbs with no luck.
Had disconnected the pulse generators at front of the fuel tank to check the resistance, all good. For some reason, clutching at straws, I decided to put a connector in the loom to swap the pulse generators round. All I expected was a huge backfire but it fired up instantly and ran perfectly, problem solved. I have no idea how it could run with them the wrong way round, a Honda mystery.
Just hope this could help someone with the same problem.
its a wasted Spark ignition system. https://en.wikipedia.org/wiki/Wasted_spark_system |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Peteg
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« Reply #7 on: February 03, 2026, 11:44:59 AM » |
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So all cylinders spark after compression and exhaust in 3 simultaneous pairs - 1&2, 3&4, and 5&6??? Interesting, I would have expected 3 pulse generators, one for each coil. Just goes to show you don't know what you don't know.
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Skinhead
Member
Posts: 8753
J. A. B. O. A.
Troy, MI
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« Reply #8 on: February 03, 2026, 04:58:43 PM » |
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I have an 03 motor that I replaced due to a knock issue. I could pull the pulse generators if you need them, but unfortunately, I'm in Knoxville and the motor is in Detroit, so it would be a while before I could do that.
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 Troy, MI |
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da prez
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« Reply #9 on: Yesterday at 09:16:11 AM » |
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I also had a pulse generator issue. Resistance readings were all correct Did a temporary by pass on plug connector to no avail. Replaced the generators ,bike ran better than ever. Later , rechecked the resistance and found a breakdown in one. 1500 Goldwing generators are the same.
If I remember , 98Valk CSI'ed the parts to a new number. Valk part number is no longer available.
da prez
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Valker
Member
Posts: 3051
Wahoo!!!!
Texas Panhandle
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« Reply #10 on: Yesterday at 10:50:59 AM » |
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Do you know the part number for the GW Pulse Generator? I've searched a couple of online parts fiche sites and can't find it.
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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98valk
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« Reply #11 on: Yesterday at 02:10:50 PM » |
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Do you know the part number for the GW Pulse Generator? I've searched a couple of online parts fiche sites and can't find it.
also listed as unavailable now https://www.partzilla.com/catalog/honda/motorcycle/2000/gl1500a-a-gold-wing-aspencade/front-cover |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Valker
Member
Posts: 3051
Wahoo!!!!
Texas Panhandle
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« Reply #12 on: Yesterday at 05:27:45 PM » |
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Number 19 on that picture (30300-MN5-003) shows "Not Available"
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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98valk
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« Reply #13 on: Yesterday at 06:02:28 PM » |
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Number 19 on that picture (30300-MN5-003) shows "Not Available"
I know I stated that. search that number Honda uses it on other models, usually the plug connection is different. |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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