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Rear shocks measurement.

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whu80

Rear shocks measurement.

#1 PostAuthor: whu80 » Tue Apr 21, 2009 10:35 am

I have Hagon rear shocks fitted to the rear of my Z1B .

Can somebody tell me if the measurement from the edge of the rear tyre to the middle shaft of the shock is the same both sides.

Mine measures 2.5 inches brake side and 3 inches chain side.

This does not seem correct.

Chain and wheel alignment seem ok.

Mick Hayward
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Location: Grateley Hampshire

#2 PostAuthor: Mick Hayward » Tue Apr 21, 2009 7:19 pm

Not a good way to check alignment its eaasy to loose or gain 1/2 inch the way you are doing it.

Better to check distance from swinging arm pivot to shock mounts. you can do both upper and lower mounts. distances should be exactly the same. Apart from your measurements what made you check them in the first place.

Mick

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Garn 1
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#3 PostAuthor: Garn 1 » Tue Apr 21, 2009 10:53 pm

Whu, this measurement probably has nothing to do with the Halon shocks, it is more likely something you have noticed when viewing behind. I agree with MikeH that it's not a good way to check the alignment and it does sound as so it is an alignment problem.

I my opinion, the distances you're measuring should be equal. However, the alignment of the front wheel to the rear wheel is the important aspect. this is usually checked by string lines or a couple of straight-edged boards.

Briefly, on alignment.... On a flat surface, the boards are placed on the ground snug up against each side of the rear tyre, longitudinally, parallel to each other. The front wheel (being thinner) should be equidistant from the boards.
RegardZ.
Garn (Sydney) Z1, Z1A, Z1B and Z900-A4

whu80

#4 PostAuthor: whu80 » Wed Apr 22, 2009 9:18 am

Mick and Garn - thanks for your replies .

I will check alignment with a couple of boards.

My rear wheel is more over to the right in relation to my number plate. I have checked the chain with a laser tool - that is spot on.

A strange one - lets see how the boards do.

Thanks again really appreciated.

Mick Hayward
100Club
100Club
Posts: 126
Joined: 2nd Jan 2009
Location: Grateley Hampshire

Alignment

#5 PostAuthor: Mick Hayward » Wed Apr 22, 2009 11:46 am

My idea was to check that there was no problem with the shock mounts due to possible accident damage and to put your mind at rest. Obviously a swinging arm pivot to shock mount measurement will do little to determine alignment.

Let us all know how you get on with your straight edge.

Mick

whu80

#6 PostAuthor: whu80 » Wed Apr 22, 2009 11:26 pm

Mick I understood where you were going with your suggestion . The measurements were ok.

I did the straight edge along the wheels and that measurement was fine also.

My bike does not have a rear mudguard just a bracket to hold the numberplate and light. When you look at the bike from the rear the tyre is slightly to the right.

But as I said everything measures up - so I guess without the mudguard this is how she looks.

Mick Hayward
100Club
100Club
Posts: 126
Joined: 2nd Jan 2009
Location: Grateley Hampshire

alignment

#7 PostAuthor: Mick Hayward » Thu Apr 23, 2009 7:23 am

Are you sure the numberplate is not slightly to the left.

Seems all is okay, you would soon know if there was a serious problem your bike would handle like a pig, eben at slow speeds

Regards

Mick


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