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post #1 of 4 Old 03-25-2018, 4:05 PM Thread Starter
 
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Passenger seat vibrations

So i finally got my girlfriend riding with me on my 98' 900RR.
After riding for a short trip she complains about vibration making her ass numb.

I have noticed a small rear vibration myself, but not enough to make me ckeck up on it.
When i now know it's there i tried riding the passenger seat and it was horrible.

Does anyone have an idea what might cause this?
I got new tires and new bearings for both wheels and swingarm.
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post #2 of 4 Old 03-26-2018, 11:52 AM
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Re: Passenger seat vibrations

Make sure everything is tight, from the sub frame in. The rear seat isn't padded much as all, probably like that on any bike. Also, make sure the engine mounts are all intact and tight. It may only happen while there is weight on the main seat, creating unwanted vibrations to the passenger seat. Proper chain tension? I cant speak much for it though, I've had a solo seat tail on every 900 I've owned. Good luck!

My 99 900RR Track Build Link:Track Build 900RRX

My Red Rocker 93 Build Link: Café 900RRP
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post #3 of 4 Old 03-28-2018, 3:18 PM
 
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Re: Passenger seat vibrations

My initial advice upon reading the title was going to be for you to celebrate until I read the OP and saw this:
After riding for a short trip she complains about vibration making her ass numb.

I'd do what @IanDoohan says to do- he's the resident expert.

-My 06 Fireblade Build Thread
-Her 02 CBR600F4i Custom Suspension
-My 07 CRF230F sold
-My 97 XR100
-07 CRF50F son's
-92 CB750 She lets me ride it, Jetted
-13 CRF110F, 01XR50 Daughter's

Because 12,000 RPM makes me feel better
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post #4 of 4 Old 03-28-2018, 6:52 PM
 
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Re: Passenger seat vibrations

There was a bit of play when my pass seat is closed. I put some self sticking foam strips around the bottom of it so it creates a seal when closed. The last passenger I had said she felt a difference in the quality of the ride. Just chasing vibrations.

*2001 929rr Erion Edition*1992 GSXF 1100 Custom build*
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