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08-31-2023, 11:38 AM | #1 |
Join Date: Aug 2023
Posts: 9
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Venom Ghost Cruiser 250cc not starting
Hello,
I have a Venom Ghost Cruiser 250cc, also known as a DongFang with 126 miles. I am having trouble getting the bike to start. Engine turns over with no problems and battery is charged. I have compression and fuel but I am not getting spark. Spark plug is new NGK. Checked the coil with a meter on ohms and reading was okay, but swapped with a spare coil and same result. I have also swapped out the 6 pin CDI box with no result. The stator tested 159 ohms across the ignition circuit, and 0.4 ohms across the two wires that charge the battery. I have followed all of the wires and found no breaks, cuts or burns in the wires. Fuse is new. All lights and switches on the handlebars function as they should. What else gives the spark plug spark? Also, is there any wiring schematic for this bike? Thanks for any help Update: Bypassed the kill switch Bypassed the switch on the clutch lever Installed new stator Installed 3rd ignition coil Installed 3rd CDI box kickstand in the up position, (does not have a switch on kickstand) ensured battery is fully charged, also have charger on battery while cranking Still no spark Last edited by HotRod77; 09-06-2023 at 06:47 PM. Reason: Forgot to add second question. |
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08-31-2023, 11:49 AM | #2 |
Join Date: Oct 2013
Location: Leesville SC
Posts: 835
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"What else gives the spark plug spark?"
I know this may be slilly but, The kill switch and if there is a kick stand safety switch.
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My Stable- 2022 Lifan KPX250 , 2023 Royal Enfield Himalayan, 1992 Honda GL1500 Goldwing, SSR 70 Auto, Kymco Mongoose 90, Honda Four Trax 300 |
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09-06-2023, 06:30 PM | #3 |
Join Date: Aug 2023
Posts: 9
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No safety switch on kick stand. kick stand is currently up while starting. Kill switch has been disconnected to rule out possibility of being bad
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08-31-2023, 08:53 PM | #4 |
Join Date: Feb 2007
Posts: 1,357
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This place has Dong Fang owners manual/ wiring diagrams
Recommended for the following models DF250RTS DF250RTR DF205RTG DF250RTD DF250RTF Venom X22R 250cc Ghost 250cc Retro / Sportster 250cc Villain Harley 250cc CXR 250cc RTS https://www.vaderparts.com/products/...lectronic-copy |
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09-06-2023, 10:22 PM | #5 |
Join Date: Feb 2007
Posts: 1,357
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So this bike has 126 miles on it so it has run. What has happened to the bike since its last run?
I have an owner's manual so I will look at the wiring diagram to see if I can see where there might be a problem. |
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09-07-2023, 08:50 AM | #6 |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,717
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Check to make sure you are getting power to the CDI and continuity from the CDI to coil. Make sure coil and CDI is grounded properly. It's possible that you might have a bad ignition switch or power not getting to ignition switch. You will have a 6 pin DC CDI.
https://offroadofficial.com/6-pin-cdi-wiring-diagram/
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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09-07-2023, 10:08 AM | #7 | |
Join Date: Aug 2023
Posts: 9
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Quote:
I have thrown the key switch out, and jumper two of the four wires to give the motorcycle power. Red and black power on the motorcycle, the green and black with yellow stripe are loose. I am not sure what the black and yellow stripe are suppose to go to, but I have tried both ground and 12 volts with no results. I have 12 volts at the CDI. There are two wires on the coil, red with white stripe goes to the kill switch, and green is grounded to the mounting bolt at the coil. Disconnected the kill switch and left it out of the bike. Having a hard time trying to figure out what gives the coil power. If one wire is grounded and the other goes to the kill switch, where does it get power? |
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09-07-2023, 10:11 AM | #8 | |
Join Date: Aug 2023
Posts: 9
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Quote:
CDI is a 6 wire, but only uses 5. It has 12 volts on one black wire coming into it, 2 wires go to stator, 1 wire to ground, and I dont recall where the last wire goes to. The coil has two wires on it, one that is grounded, and the other to the kill switch. I am having a hard time understanding where the coil gets its power from. |
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09-07-2023, 10:17 AM | #9 | |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,717
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Quote:
__________________
2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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09-07-2023, 10:44 AM | #10 | |
Join Date: Aug 2023
Posts: 9
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Quote:
I do not have a yellow wire on the coil. It only has a red w/white stripe and ground wire on mounting bolt. |
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09-07-2023, 05:08 PM | #11 | |
Join Date: Aug 2023
Posts: 9
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Quote:
I bought the bike non running in hopes I could fix it. Lost the keys for the ignition. Key ignition has 4 wires. Currently has the red and black wired together to provide power to the motorcycle. I am assuming the green wire is ground, as all are, but not sure about the black with yellow stripe |
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Tags |
not starting, venom ghost, venom motorsports, venommotorsports |
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