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Messages - steviewilson87

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Japanese Bikes / Re: Suzuki GS650 voltage drops to 8V. Won't start.
« on: May 18, 2018, 11:58:39 AM »
New to bike mechanics to still trying to figure it all out. It was turning over a lot quicker with the car battery than it normally would. I could borrow a load tester and test it. I'm guessing cranking too quickly would make a difference? Thinking checking the air filter too? New plugs have done maybe 150 miles & they're black at the electrode. Cheers for your help

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Japanese Bikes / Re: Suzuki GS650 voltage drops to 8V. Won't start.
« on: May 18, 2018, 11:35:12 AM »
Sorry, I've already proved its not the battery. I connected my car battery straight to the motorbike battery tails, and it was still immediately dropping to 8V & cranking like crazy.

Its got progressively worse (had the bike a month!). Started fine, then took a bit of effort, now won't start. Battery sits about 12.5V.

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Japanese Bikes / Suzuki GS650 voltage drops to 8V. Won't start.
« on: May 17, 2018, 11:47:00 PM »
Had an intermittent fault with my 1981 Suzuki GS 650 that's now became a bit of an issue..... The f****r won't start anymore!
 It cranks fine & the battery is holding a charge. Spark is pretty weak (swapped plugs for new). Battery drops to 8V when starting, back to 12V when releasing start. Checked coils & getting 4.5ohms & 13kOhm primary/secondary sides. I'm thinking short to earth, but wondering if anyone has any ideas? Cheers!

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