Will I need another tool to rejoin the crank case ??

Nope, just skills. Splitting it is the easy part. Putting it all back together and work. “You are the tool” you can do it.

Dear friends please you can tell me which is the weight, because I want buy for bring To Ecuador

It's about 5-10 lbs so I would plan on a shipping weight of 10lbs- I saw the response about it being 2lbs, I seriously doubt it but I do not have a scale in front of me to validate. It's about the same weight as a small sledge hammer. figure 10lbs and you should be safe. Very good device!

Will this tool work for a 2000 lt-a500f quadmaster?

I used it on a Yamaha dirt bike, so I don't know. Measure from the crank center to screws in the case. If the tool arms will reach it will work.

Will this work on a suzuki lt500r bottom end?

Haven't used it on lt500r and don't have one to measure, but if it has 3 case screws around the crank which are close enough for the arms to reach I don't see why not. You may have to get screws of proper diameter and thread pitch and length. Don't damage your case by using wrong screws. I used it on a little Yamaha dirt bike and it was very slick. Beats razor blades and screwdrivers for separating the cases.

Manufacturer	Tusk Off-Road
Brand	TUSK
Item Weight	4.18 pounds
Product Dimensions	10.25 x 6.5 x 5 inches
Item model number	17-8668
Is Discontinued By Manufacturer	No
Manufacturer Part Number	17-8668

Crankcase Splitter/Separator Tool – Adjustable Arms & 6mm & 8mm Mounting Bolts for Vertically Split 2-Stroke and 4-Stroke Crankcases

Description

Specifications

Common Questions