Raptor wont start. - Yamaha Raptor Forum
 
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post #1 of 8 (permalink) Old 07-27-2019, 09:12 PM Thread Starter
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Raptor wont start.

So i have an 03 660. Ive gone through hell trying to get this bike to run.
Its acting like the battery is dead. Ive replaced the battery three times.
When you hit the start button it hesitates to start. The solenoid buzzes
Really loud. It starts when i have it on a battery charger with some buzzing.
Ive changed the solenoid. Im starting to thonk it maybe the starter?
Any help would be appreciated.
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post #2 of 8 (permalink) Old 07-27-2019, 09:37 PM
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Can u pull the starter and put some power to it and see if it turns. ?.?

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post #3 of 8 (permalink) Old 07-30-2019, 12:09 AM
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Check the decompression mechanism on the cam.

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2007 RAPTOR 700, SAND QUAD, 11:1 CP, +5 HR CRANK, PC3, +2 TB, LONE STAR XC +1, +1 A-ARMS, HD TIE RODS, JOGACA REAR SHOCK, ASV LEVERS, +4 REAR AXLE, DR.D REVERSE, ODI GRIPS, 1 1/8 CARBON BARS, DG BUMPER. BILLET: GAS CAP, BRAKE COVER, THROTTLE LEVER, BAR MOUNTS. LED LIGHTS'
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post #4 of 8 (permalink) Old 07-30-2019, 01:27 AM
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Bad starter or bad decomp mechanism OR corroded battery cable?

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'01 660 Raptor, Burgard +2+1 arms, YFZ Shocks, LSR anti-vibe, CTR pipe, jetted, K&N
'01 Polaris Scrambler 400, K&N
'02 Honda 400ex, Big Gun pipe, jetted, K&N, Lonestar +2 A-arms, Lonestar anti-vibe
'04 Suzuki LTZ400
'16 RZR XP4 1000 Turbo
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post #5 of 8 (permalink) Old 07-30-2019, 01:29 PM Thread Starter
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I just pulled the starter. Its working fine. Im cleaning all the connections now.
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post #6 of 8 (permalink) Old 07-30-2019, 03:05 PM
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Check the battery cables for corrosion up inside the insulation near the battery lugs - battery acid will wick up into the strands of copper and corrode the cable from within, causing it to become high resistance - and can cause the type of symptoms you have described.

You can try using an automobile jumper cable to bypass the battery cables - jump from battery positive to relay positive, then jump from battery negative to engine case... do either of these eliminate the problem? Then you have a bad cable.

'01 660 Raptor, Burgard +2+1 arms, YFZ Shocks, LSR anti-vibe, CTR pipe, jetted, K&N
'01 Polaris Scrambler 400, K&N
'02 Honda 400ex, Big Gun pipe, jetted, K&N, Lonestar +2 A-arms, Lonestar anti-vibe
'04 Suzuki LTZ400
'16 RZR XP4 1000 Turbo

Last edited by QuadManiac; 07-30-2019 at 03:07 PM.
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post #7 of 8 (permalink) Old 07-31-2019, 03:43 AM Thread Starter
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So i cleaned all connections. I hooked it back up and when i hit the start button it still didnt want to start. The solenoid click. I decided to use a screw driver to cross the solenoid. The starter spun and the bike started. After i shut it off i hit the start button again and it started with no hesitation. Tested it a dozen more times, no issues. Weird!
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post #8 of 8 (permalink) Old 08-02-2019, 02:28 AM
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It must have been the solenoid's contacts...

'01 660 Raptor, Burgard +2+1 arms, YFZ Shocks, LSR anti-vibe, CTR pipe, jetted, K&N
'01 Polaris Scrambler 400, K&N
'02 Honda 400ex, Big Gun pipe, jetted, K&N, Lonestar +2 A-arms, Lonestar anti-vibe
'04 Suzuki LTZ400
'16 RZR XP4 1000 Turbo
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