What's the difference between these kits?(one's cheaper)

If you are in California BikeBerry.com isn't going to ship to you
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BikeBerry.com said:

Due to Regulations no California Residence Buyers. California Residence Please Check California Air Resource Board

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Mozenrath said:

Through one of this site's sponsors, I found this kit which looks good for a beginner like myself.

BikeBerry.com

I was pretty set on purchasing this kit, but then the next day I stumbled upon this one from the same dealer.

Standard Silver 66/80cc Bicycle Engine Kit BikeBerry.com

It's cheaper, yet it seems virtually identical to the first kit. The only difference I can see is that the first kit has the name "Mega Motors", whereas the cheaper kit lacks that name.

Would I be making a mistake in going with the cheaper kit(or either one for that matter)?

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i find it funny they rate the things for 5-6 horsepower a much higher quality grubee kit only gets 2.75HP, anyways the only real way to spot the differences aside from price would be to get both n take em apart, its been discussed here before that while most kits look the same, some are certainly better then others.

but since bikeberry offers 6 month warranties on both i don't really any obvious advantage over spending the extra $20

matthurd said:

i find it funny they rate the things for 5-6 horsepower a much higher quality grubee kit only gets 2.75HP, anyways the only real way to spot the differences aside from price would be to get both n take em apart, its been discussed here before that while most kits look the same, some are certainly better then others.

but since bikeberry offers 6 month warranties on both i don't really any obvious advantage over spending the extra $20

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Bikeberry lists all their engines as 5-6 hp including the Grubee. Funnily enough it is costing them sales. They may think that blown up hp claims will entice buyers but it has the opposite effect for 2 reasons.

1) Those who know better would not buy from a vendor who blatantly lies to make a sale.

2) Many states have a HP restriction and people will not buy a 5-6hp motor if only a 2hp motor is legal but they might push the envelope by going with a tad under 3

Bikeberry is shooting themselves in their own foot. Another joke is the banner above these threads for the engine guide they offer. I was told the Starfire does NOT have a steel cylinder sleeve but............just read the guide you will see.

going by the pictures, the mega motors kit is made by nantong, just as the grubee starfire gt4s were. if that is the case, they are superior engines.

edit: they both appear to be nantong engines?