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The plastic shroud is quite thick in that area, no, I have not had issues but you must realize that the force applied here underwater is not the same as picking it up on the surface by the tabs--two diffwerent things. I am not recommending it but I have not had problems either. I countersink the inside for a 1/4 inch screw and nylock on the outside---stainless steel of course. The tabs can be something like 1/8 aluminum 6000 series or stainless. Do not overtighten bolts etc into plastic--be warned.
The slightly off center positioning helps somewhat to eliminate the tendency when using the grip for it to point upward under power. They balance my hand grips if you follow. I still have not perfected that arrangement yet.
I had some original batteries and the ones I use are so called 18 amp/hour, the originals were 16 amp/hour. In terms of weight these are somewhat heavier maybe by a half a pound or less. They are identical in size. There is a 24 amp/hour I think but it would require some additional mods to make them work.
I bought these cheapo batteries just for testing but have proven so capable that I have not bothered to purchase anything more costly and probably no better.
The link I gave you I have purchased parts from and gotten advice and he repaired a corroded shaft on the red scooter.
Tekna scooters are somewhat fragile compared to modern PVC tube scooters but the motor and prop and shroud etc are all the same. The Teknas are actually a little stronger running that the modern high zoot scooters I have seen--but--I have not seen them all--comapring to the best SeaDoo--there is no comparison, one is a toy and the other is an F16 fighter jet.
I have been considering modifying the red scooter to accept six stainless spring clamps to hold it together and dispense with the screws. I have been told it will not work--well--maybe---but--I have been told such things before and succeeded completely.
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