Triumphrat

barneys

Had the Bonnie for a few months now & thinking of taking the wife for a ride on the back. I want to change the pre-load on the rear suspension to take the extra load (got to be careful when I mention this to the missus) M
Dummy question coming up..... Can someone confirm which way to I turn the ring to increase the pre-load, looking down from the top? I am thinking it needs to be turned so the spring is compressed more I.E. shortened in length

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oldroadie

You'll be able to tell by the cam ridges on the adjuster, the notches closest to the bottom are the highest preload.

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2001 Bonneville
2004 Bonneville America

Baltobonneville

Correct, turn it so the spring compresses. Use any kind of metal implement that will fit in the hole (if you have the stock suspension). Some people use a hex key, or a Phillips screwdriver, I can't remember what I used.

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Marty
2005 Bonneville Blue 790cc, AI removed, Staintunes RC, Unifilter, no snorkel, 120/40/Thrux needle/1 shim/3 turns, fly screen, tacho, D9 gauge panel, center stand, Ikon 7610s, Hagon fork springs, gaiters, Pirelli Sport Demons, 3 seats.

Photo1

It will not make much difference.
I have been riding two up most of the time and the stock suspension is lousy, no matter where you set it.

CommandoRdster

Yes it will make a difference! It'll still be lousy,but at least it won't be bottoming out over every pebble.

Cheers!
Bruce

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TB-T100

That is correct. There is a huge difference between a right or wrong setting. Personally, I set it to two or three when riding solo, and to 4 when riding two up. I weigh 80kg and my girlfriend weighs 55-60kg (my estimate as the truth is Top Secret information).

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'04 T100 Black and White (because that is the only colour-combination to wear with a dinner jacket)
AI removed, TORS
rebuilt front (valves, springs, etc), Öhlins shocks
engine dresser bars, grab rail, flyscreen, Triumph leather panniers and tank bag

modre

solo, I run mine on 2 for comfort and 3 for playing
2-up is 4...I've never needed/used 5.

I don't know what all the "suspension sucks" is about.
Evil Knevil jumped on this suspension.
sure, you can modernize ...but you lose the virtue.

Evil thinks Robbie's a punk.

ohiorider

Suspension lousy or wonderful? ..... it's a subjective thing. My subjective opinion is that the stock suspension is exactly that .... stock suspension built to a price point, which doesn't provide the most controlled ride over many of the more twisty but bumpy Ohio secondary roads.

What I've noticed on the forum is that there are two (at least)schools' of thought on improving the Bonnie.

School A - mostly engine performance mods, leaving the suspension stock.
School B - minimal engine performance mods but with upgraded suspension.
Obviously there's those who have done both. And those who have done none.

Bob

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2003 T100 (790cc) Lucifer Org and Silv: 122/42 jets, TORs, 17T, UNI filter, no AI, Polaris bellmouth, Metzeler ME880 tires, Progressive 440 shocks (105/150 springs),11-1126 fork springs, gaiters, MotoTwin low bars, 6024 lamp, htd grips, 12v outlet.

English_Spanner

Looking down turn clockwise to increase the pre-load.
You're right when you say:
" it needs to turned so the spring is compressed more I.E. shortened in length"

barneys

Thanks everyone. Looks like I had got the right idea but I wanted to make sure. I have got stock suspension but I am not planning to upgrade it yet as I want to see how it rides as stock.

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I'd give up beer, but I'm no quitter