HotDog700
New Member
Experience after riding BigDog Mastiff (2007) 7700 miles mostly on Spanish mounting roads and on Finnish country roads.
Unfortunately there has not been any BigDog workshop in Europe and HD dealers are reluctant to help. BigDog has finally started to build its dealer network in Europe, too, which is very good news. BDM // Big Dog Motorcycles // European importer of American Custom Motorcycles There is no dealer in Spain or in Finland, yet.
The repair history?
There are still problems which have been there from the very beginning: :bang:
Am I happy with my BigDog?
Well, I used to be HD fan and I still have my highly customized HD FatBoy…. but for some reason I prefer to ride BigDog. We ride mainly on Spanish mountain roads having tight curves and it surprising how well BigDog Mastiff behaves. I have to lean more than my fellow HD riders but it is nicer this way.
Do I recommend BigDog in Europe?
There have been so many people admiring my BigDog wherever I park it. For sure I recommend as soon as there is a workshop near by. :up:
Tyre replacement?
I changed Metzeler ME 880 Marathon tyres and their grip is much better than with original Avon tyres.
Lessons learned?
Check all the screws, bolts and nuts before every ride!
Unfortunately there has not been any BigDog workshop in Europe and HD dealers are reluctant to help. BigDog has finally started to build its dealer network in Europe, too, which is very good news. BDM // Big Dog Motorcycles // European importer of American Custom Motorcycles There is no dealer in Spain or in Finland, yet.
The repair history?

- 2500 miles and I lost the kickstand somewhere during the riding when the axel nut opened by itself. Well I never liked it with its ugly external spring. I parked the bike on two two-by-four lumbers under the chassis and it stood on them very stable – I recommend this if you experience similar problem situation. I ordered new much nicer telescopic kickstand from Arlen Ness with hidden internal spring.
- 5000 miles and this time exhaust system nuts were loose and that is why it broke exhaust gaskets and neoprene isolators of the muffler.
- The biggest issue so far has been when two bolts of the left rear fender strut broke and I didn’t notice it early.
Only during the change of the oil at 7500 miles I saw two broken bolts. So I drove for a while (or very long time based on corrosion in the intersection?) with only two bolts of the right hand side keeping the rear fender up and preventing me to sit on the rear wheel in full speed. Had I somebody sitting on the back seat this would have crashed for sure and created grande catastrophe! I cross my fingers! I noticed afterwards that there is a recall for this problem but my bike is in Europe…. It took for a while to get the two broken bolts out.
There are still problems which have been there from the very beginning: :bang:
- The speedometer often fails to work. This is probably due to the interference of the starter confusing the controlling electronics. This happens for sure if the start is not “smooth” but makes some jerks. Well, the new start up helps.
- Another problem of the speedometer is that it is not water tight and collects humidity during washings if not protected separately.
- The automatic compression release valves sometimes get stuck but luckily you can release them manually before starting the engine and now I have taken this manual release as normal operation before starting.
Am I happy with my BigDog?
Well, I used to be HD fan and I still have my highly customized HD FatBoy…. but for some reason I prefer to ride BigDog. We ride mainly on Spanish mountain roads having tight curves and it surprising how well BigDog Mastiff behaves. I have to lean more than my fellow HD riders but it is nicer this way.
Do I recommend BigDog in Europe?
There have been so many people admiring my BigDog wherever I park it. For sure I recommend as soon as there is a workshop near by. :up:
Tyre replacement?
I changed Metzeler ME 880 Marathon tyres and their grip is much better than with original Avon tyres.
Lessons learned?
Check all the screws, bolts and nuts before every ride!

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welcome