Hero Genuine Standard Piston Ring Set for HF Deluxe, HF 100, Splendor Plus, Splendor Pro, Passion Pro, Pleasure Plus & Xoom | STD Ring Kit | 13011AAF00099S

Hero Genuine Standard Piston Ring Set – 13011AAF00099S

Restore the specified piston-to-cylinder sealing arrangement with the Hero Genuine Kit, Ring Piston STD, part number 13011AAF00099S. This manufacturer-packed standard-size piston ring set is used in compatible Hero HF, Splendor, Passion, Pleasure and Xoom engine applications.

Piston rings fit into the grooves around the piston and perform three critical engine functions: sealing combustion pressure above the piston, transferring heat from the piston toward the cylinder wall, and controlling engine-oil consumption by regulating the oil film on the cylinder bore. Worn, stuck, broken, incorrectly installed or mismatched rings can contribute to low compression, difficult starting, weak acceleration, blow-by, blue exhaust smoke, increased oil consumption or poor engine performance.

This is a standard-size piston ring set only. It is not the piston, piston pin, piston-pin clips, cylinder, connecting rod, crankshaft or complete cylinder/piston kit. It must not be fitted to a rebored or oversize cylinder unless the engine measurement specifically confirms that the standard-size piston and cylinder specification is still correct.

What This Product Is

• Hero Genuine standard-size piston ring set
• Official description: Kit, Ring Piston STD
• Catalogue description: Ring Set Piston
• Hero retail part number: 13011AAF00099S
• Catalogue-format part number: 13011-AAF-00099
• Common buyer names: piston ring set, ring kit, standard ring set, compression ring kit and oil ring set
• Engine location: piston and cylinder-bore assembly
• Supply form: one manufacturer-packed standard ring set

Key Features

• Genuine Hero engine-repair component
• Standard-size ring specification for compatible original-bore engine applications
• Helps seal combustion pressure when installed in a serviceable matching cylinder and piston
• Supports controlled engine-oil film on the cylinder wall
• Supports heat transfer from the piston toward the cylinder bore
• Suitable replacement when the existing matching rings are worn, stuck, broken or outside service limits
• Exact OEM part-number matching reduces standard-versus-oversize ordering errors
• One complete manufacturer-packed standard ring set supplied
• Country of origin: India
• Current Hero MRP reference: ₹360 inclusive of taxes

Confirmed Compatibility

Exact Model and Catalogue References

• Hero Splendor iSmart (May, 2014)
• Hero Splendor Pro FE (Aug, 2014)
• Hero HF Deluxe Black (Sep, 2014)
• Hero Splendor Pro Classic (Sep, 2014)
• Hero HF Deluxe (Apr, 2015)
• Hero HF Deluxe Eco (May, 2015)
• Hero HF Deluxe Black (May, 2015)
• Hero Passion Pro (Jun, 2015)
• Hero Pleasure (Jun, 2015)
• Hero Splendor Plus (Mar, 2015)
• Hero Splendor Plus (Dec, 2015)
• Hero Splendor Pro (Oct, 2015)
• Hero HF Deluxe (Dec, 2016)
• Hero HF Deluxe (Feb, 2017)
• Hero Splendor Pro (Feb, 2017)
• Hero HF Deluxe i3S BSVI (Jan, 2020)
• Hero HF Deluxe (Dec, 2022)

Official Hero Model-Family Applicability

• Hero HF 100 — only engine variants catalogued with 13011-AAF-00099
• Hero HF Dawn — compatible engine generations using this standard ring set
• Hero HF Deluxe / HF Deluxe Eco — compatible generations using this SKU
• Hero Passion Plus — compatible engine generations using this SKU
• Hero Passion Pro / Passion Pro TR / Passion XTEC — only catalogue-confirmed engine variants
• Hero Splendor Plus / Splendor+ XTEC — only catalogue-confirmed engine variants
• Hero Splendor iSmart / Splendor NXG / Splendor Pro / Splendor Pro Classic
• Hero Pleasure / Pleasure Plus — only engine generations catalogued with this SKU
• Hero Xoom — only the exact engine generation listed by Hero for 13011AAF00099S

Compatibility boundary: A shared model name does not guarantee the same piston diameter, cylinder specification or ring set. Hero produced several HF, Splendor, Passion, Pleasure and Xoom engine generations. Order only when the crankshaft/piston catalogue specifies 13011-AAF-00099.

Fitment Note / Return Prevention Note

Before ordering, match the complete Hero part number 13011AAF00099S or catalogue number 13011-AAF-00099 with the motorcycle or scooter’s chassis/VIN-based engine catalogue.

Confirm all of the following:

• Exact vehicle model, variant and production generation
• Engine family and cylinder specification
• Standard-size piston and cylinder requirement
• Existing piston part number
• Cylinder-bore diameter and wear measurement
• Piston-ring groove condition
• Required ring end gap and side clearance
• Whether the cylinder has previously been rebored
• Part number shown in the crankshaft/piston assembly diagram

Standard Size Versus Oversize

13011AAF00099S / 13011-AAF-00099 is the standard-size ring set. Hero separately catalogues the following oversize options for compatible engine repairs:

• 13012-AAF-00099 — piston ring set, oversize 0.25 mm
• 13013-AAF-00099 — piston ring set, oversize 0.50 mm
• 13014-AAF-00099 — piston ring set, oversize 0.75 mm
• 13015-AAF-00099 — piston ring set, oversize 1.00 mm

Do not choose the ring size only from the motorcycle model. A rebored cylinder requires the matching oversize piston and ring set. Installing standard rings in an oversize or excessively worn bore can produce excessive ring end gap, poor compression, oil burning and early engine failure.

Do not confuse this ring set with:

• 13101-AAF-00099 — standard piston used in many related assemblies
• 13111-087-000 — piston pin
• 13115-001-000 — piston-pin clips
• Complete piston kit
• Complete cylinder kit
• Connecting rod or crankshaft assembly
• Cylinder-head gasket or cylinder-base gasket

Low compression, smoke or high oil consumption can also be caused by cylinder-bore wear, taper or scoring; worn piston grooves; valve or valve-seat leakage; valve-guide wear; damaged seals; incorrect breather operation; head-gasket failure; or another internal engine fault. Replacing the rings alone will not repair an unserviceable cylinder, piston or cylinder head.

Engine-component return protection: Confirm the exact size and SKU before opening or installation. Rings showing installation marks, compression, bending, filing, altered end gaps, oil exposure, heat damage or use cannot be treated as unused returns.

What You Will Receive

• 1 × Hero Genuine Kit, Ring Piston STD
• Part number: 13011AAF00099S
• One manufacturer-packed standard-size piston ring set

Hero does not publish the retail kit bill of materials for this SKU. The listing therefore promises the sealed standard ring set under 13011AAF00099S without inventing the number or individual construction of loose ring pieces.

Not included:

• Piston
• Piston pin
• Piston-pin clips
• Cylinder block
• Connecting rod
• Crankshaft
• Bearings
• Gaskets or oil seals
• Engine oil
• Machining or cylinder-boring work
• Installation labour

Technical Details

Installation Note

Piston-ring replacement requires internal engine dismantling, precision measurement and correct ring orientation. Installation should be carried out by a trained motorcycle engine technician.

Before fitting:

• Measure the cylinder bore at the specified heights and directions
• Check cylinder wear, taper, ovality, scoring and surface condition
• Measure the piston and inspect the ring grooves
• Confirm that the piston and cylinder remain within standard-size service limits
• Place each ring in the cylinder and check end gap according to the service manual
• Check ring-to-groove side clearance
• Inspect the piston pin, clips, connecting rod and small-end condition
• Identify every ring’s correct position and installation direction

During installation:

• Do not over-expand, twist or force the rings over the piston
• Use the correct piston-ring installation tool where required
• Install each ring in the correct groove and orientation
• Position ring gaps according to the engine service procedure
• Do not file ring ends unless the prescribed measurement procedure specifically requires controlled adjustment
• Lubricate the piston, rings and bore with the specified clean engine oil
• Use a proper ring compressor when installing the piston into the cylinder
• Replace disturbed gaskets, seals and clips with the correct parts
• Apply model-specific tightening torque and assembly sequence

After assembly, refill with the specified engine oil, verify compression and check for abnormal noise, smoke, oil leakage or overheating. Follow the technician’s recommended running-in procedure after internal engine work.

Buyer-Focused FAQs

1. What is Hero part number 13011AAF00099S?
It is a Hero Genuine standard-size piston ring set for compatible HF, Splendor, Passion, Pleasure and Xoom engine applications.

2. Is this a standard or oversize ring set?
This is the standard-size or STD ring set.

3. Is the piston included?
No. The piston is separately catalogued. This listing is for the piston rings only.

4. Is this a complete piston kit?
No. The piston, piston pin, clips, cylinder, gaskets and remaining engine parts are not included.

5. How many individual rings are inside the package?
Hero lists one manufacturer ring kit but does not publish the retail kit BOM. The product is sold as one sealed standard piston-ring set without an invented loose-piece count.

6. Does it fit Hero HF Deluxe?
Yes, confirmed references include HF Deluxe April 2015, December 2016, February 2017, HF Deluxe i3S BSVI January 2020 and HF Deluxe December 2022. Match the exact engine catalogue before ordering.

7. Does it fit Hero HF 100?
Hero lists HF 100 among the applicable model families. Confirm that the exact engine catalogue specifies 13011-AAF-00099.

8. Does it fit Hero HF Dawn?
Hero lists HF Dawn among the applicable families. Compatibility applies only to engine generations using this standard ring-set SKU.

9. Does it fit Hero Splendor Plus?
Yes, confirmed references include Splendor Plus March 2015 and December 2015. Hero also lists Splendor Plus and Splendor+ XTEC families, but each generation must be checked by part number.

10. Does it fit Hero Splendor Pro?
Yes. Confirmed references include Splendor Pro October 2015 and February 2017, Splendor Pro FE August 2014 and Splendor Pro Classic September 2014.

11. Does it fit Hero Splendor iSmart?
Yes. Splendor iSmart May 2014 is an exact catalogue-confirmed application.

12. Does it fit Hero Passion Pro?
Yes. Passion Pro June 2015 is an exact confirmed reference. Hero also lists Passion Pro, Passion Pro TR and Passion XTEC families, but the exact engine must be matched.

13. Does it fit Hero Pleasure?
Yes. Pleasure June 2015 is an exact confirmed reference, and Hero lists Pleasure among the applicable model families.

14. Does it fit Hero Pleasure Plus?
Hero lists Pleasure Plus among the applicable families. Confirm the exact engine generation and ring-set part number before ordering.

15. Does it fit Hero Xoom?
Hero lists Xoom among the applicable model families for this SKU. Match the exact engine generation and chassis/VIN-based catalogue before ordering.

16. Can I use this ring set after cylinder reboring?
Only if the measured cylinder and piston remain standard size, which is unlikely after an oversize rebore. A rebored cylinder normally requires the matching oversize piston and ring set.

17. What are the available oversize ring sets?
Compatible applications may use 13012-AAF-00099 for 0.25 mm, 13013-AAF-00099 for 0.50 mm, 13014-AAF-00099 for 0.75 mm or 13015-AAF-00099 for 1.00 mm oversize.

18. Will new rings stop blue smoke?
Only when piston-ring wear is the confirmed cause and the cylinder, piston, valves and guides remain serviceable. An excessively worn or scored bore can continue burning oil even with new rings.

19. Will new rings restore compression?
They can help when worn or damaged rings are the cause and the remaining engine components are within specification. Valve leakage, head-gasket failure and cylinder wear must also be checked.

20. Can the rings be installed without measuring the cylinder?
No. Cylinder wear, taper, ovality, ring end gap and piston clearance must be measured before the correct ring size is selected.

21. Do piston rings have a correct installation direction?
Yes. Ring position, markings, orientation and end-gap arrangement must follow the engine service procedure.

22. Is professional installation necessary?
Yes. Incorrect ring size, orientation, end gap or assembly can cause low compression, oil burning, cylinder damage or engine seizure.

23. How can I prevent ordering the wrong ring set?
Match the complete SKU, exact vehicle and engine generation, piston and cylinder size, bore measurements, repair history and chassis/VIN-based Hero catalogue.

Engine Component Purchase Warning

Confirm the standard or oversize requirement before opening or installing the rings. Do not fit them merely for trial. Compression, bending, filing, altered end gaps, oil exposure, heat damage or installation marks can permanently affect the rings and invalidate return eligibility.