Is Harpic really that bad for metal?

I've used Harpic Power Plus to help clean the front pipes on my Z900 for some time. Some suggest it's a good idea and some say that you really shouldn't. So who's right? Well, there's only one way to find out.....

#motorbike #bikelife #kawasaki #z900 #motrcycle #harpic

• #autos_vehicles
• #marks900