Scooterotica

Just bought myself a compression testing kit.

Checked the compression on my TS1 - 225 just to see how the kit works and measured 100psi - kicked engine over three or four times to get to the 100 and that was the max I could register.

Does 100psi sound about right?

Cheers

Scott

Looks a tad low. Can you check a couple of mates scooters and get a comparison ?

mick1 wrote:Looks a tad low. Can you check a couple of mates scooters and get a comparison ?

Not many TS1's around these parts - maybe some of the chaps on here can share their readings

When you did the test did you hold the throttle wide open? If not do it again and hold it open!

Scooterdude wrote:When you did the test did you hold the throttle wide open? If not do it again and hold it open!

I didn't no, I will do it again tomorrow

Have you done another test alanscottj would like to no the outcome


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I could be wrong but sure ive seen figures posted of 100 - 120psi

If the gauge was a cheep one off ebay then I wouldn't be too sure of its accuracy tbh. What does the pedal pressure feel like@ should be quite a firm kick needed. What does it run like? good starter? clean plug? 100PSI is low, if it's got some miles on it maybe some new rings are required.

I checked the compression on mine after it seized up last year and I think that was about 100PSI and I could feel the compression had gone when I kicked it over. A strip down revealed stuck rings and damage to the lining.

I know it's a completely different animal but my 175 conversion was 145psi when I first built it, after I seized it and honed the bore it was down to 125psi. When I seized it again it was down to 75psi which wasn't enough compression to start it.