Question about 2005 Honda Unicorn
Bike runs good but sometimes it does not start and kick becomes free.i find problem in overtaking. bike begins to knock. mechanic are not able to detect. iam very worried. please help me. clutch plate are well in condition. mechanics are predecting that there could be problem in head of the engine.
This was the same problem what I had with my New Unicorn. I approached the Service Center through Honda customer care, and now got a solution which is not bad. I could meet with a senior service manager and technician there and they really supported me solving this problem. I will brief out the findings and solution here:
Findings:-Engine heating up than normal, Exhaust valve misbehaves at this extreme condition. Air block is happening at the time of exhaust stroke inside the engine.
Solution:-Engine was overheating than normal because of bad/changed valve clearance and improper oil pumping inside the engine. They corrected valve clearance for now and replaced entire oil pump unit inside engine. Replaced rubber mounts on top of both valves. Replaced the clutch lift plate because of bent formed after trying so many kick starts while piston movement was interrupted due to air block.
Posted on Mar 07, 2009
Yea it sounds like the compression is down could be the rings or barrel wear or leaking head worst is lower end bearing this is most probable due to the banging noise think engine needs overhaul by a good mechanic
Posted on Jan 19, 2009
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